491704640

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{97}}^1$

素因数の和:225

約数の個数: 224

約数和(自身を含む): 1414662144

約数和(自身を除く): 922957504

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 64, 70, 73, 80, 97, 112, 124, 140, 146, 155, 160, 194, 217, 224, 248, 280, 292, 310, 320, 365, 388, 434, 448, 485, 496, 511, 560, 584, 620, 679, 730, 776, 868, 970, 992, 1022, 1085, 1120, 1168, 1240, 1358, 1460, 1552, 1736, 1940, 1984, 2044, 2170, 2240, 2263, 2336, 2480, 2555, 2716, 2920, 3007, 3104, 3395, 3472, 3880, 4088, 4340, 4526, 4672, 4960, 5110, 5432, 5840, 6014, 6208, 6790, 6944, 7081, 7760, 8176, 8680, 9052, 9920, 10220, 10864, 11315, 11680, 12028, 13580, 13888, 14162, 15035, 15520, 15841, 16352, 17360, 18104, 20440, 21049, 21728, 22630, 23360, 24056, 27160, 28324, 30070, 31040, 31682, 32704, 34720, 35405, 36208, 40880, 42098, 43456, 45260, 48112, 49567, 54320, 56648, 60140, 63364, 69440, 70810, 72416, 79205, 81760, 84196, 90520, 96224, 99134, 105245, 108640, 113296, 120280, 126728, 141620, 144832, 158410, 163520, 168392, 181040, 192448, 198268, 210490, 217280, 219511, 226592, 240560, 247835, 253456, 283240, 316820, 336784, 362080, 396536, 420980, 439022, 453184, 481120, 495670, 506912, 566480, 633640, 673568, 724160, 793072, 841960, 878044, 962240, 991340, 1013824, 1097555, 1132960, 1267280, 1347136, 1536577, 1586144, 1683920, 1756088, 1982680, 2195110, 2265920, 2534560, 3073154, 3172288, 3367840, 3512176, 3965360, 4390220, 5069120, 6146308, 6735680, 7024352, 7682885, 7930720, 8780440, 12292616, 14048704, 15365770, 15861440, 17560880, 24585232, 30731540, 35121760, 49170464, 61463080, 70243520, 98340928, 122926160, 245852320, 491704640]

約数ペア:

[(1, 491704640), (2, 245852320), (4, 122926160), (5, 98340928), (7, 70243520), (8, 61463080), (10, 49170464), (14, 35121760), (16, 30731540), (20, 24585232), (28, 17560880), (31, 15861440), (32, 15365770), (35, 14048704), (40, 12292616), (56, 8780440), (62, 7930720), (64, 7682885), (70, 7024352), (73, 6735680), (80, 6146308), (97, 5069120), (112, 4390220), (124, 3965360), (140, 3512176), (146, 3367840), (155, 3172288), (160, 3073154), (194, 2534560), (217, 2265920), (224, 2195110), (248, 1982680), (280, 1756088), (292, 1683920), (310, 1586144), (320, 1536577), (365, 1347136), (388, 1267280), (434, 1132960), (448, 1097555), (485, 1013824), (496, 991340), (511, 962240), (560, 878044), (584, 841960), (620, 793072), (679, 724160), (730, 673568), (776, 633640), (868, 566480), (970, 506912), (992, 495670), (1022, 481120), (1085, 453184), (1120, 439022), (1168, 420980), (1240, 396536), (1358, 362080), (1460, 336784), (1552, 316820), (1736, 283240), (1940, 253456), (1984, 247835), (2044, 240560), (2170, 226592), (2240, 219511), (2263, 217280), (2336, 210490), (2480, 198268), (2555, 192448), (2716, 181040), (2920, 168392), (3007, 163520), (3104, 158410), (3395, 144832), (3472, 141620), (3880, 126728), (4088, 120280), (4340, 113296), (4526, 108640), (4672, 105245), (4960, 99134), (5110, 96224), (5432, 90520), (5840, 84196), (6014, 81760), (6208, 79205), (6790, 72416), (6944, 70810), (7081, 69440), (7760, 63364), (8176, 60140), (8680, 56648), (9052, 54320), (9920, 49567), (10220, 48112), (10864, 45260), (11315, 43456), (11680, 42098), (12028, 40880), (13580, 36208), (13888, 35405), (14162, 34720), (15035, 32704), (15520, 31682), (15841, 31040), (16352, 30070), (17360, 28324), (18104, 27160), (20440, 24056), (21049, 23360), (21728, 22630)]