211811840

素因数分解:

$2^9\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1$

素因数の和:228

約数の個数: 160

約数和(自身を含む): 558607104

約数和(自身を除く): 346795264

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 31, 32, 34, 40, 62, 64, 68, 80, 85, 124, 128, 136, 155, 157, 160, 170, 248, 256, 272, 310, 314, 320, 340, 496, 512, 527, 544, 620, 628, 640, 680, 785, 992, 1054, 1088, 1240, 1256, 1280, 1360, 1570, 1984, 2108, 2176, 2480, 2512, 2560, 2635, 2669, 2720, 3140, 3968, 4216, 4352, 4867, 4960, 5024, 5270, 5338, 5440, 6280, 7936, 8432, 8704, 9734, 9920, 10048, 10540, 10676, 10880, 12560, 13345, 15872, 16864, 19468, 19840, 20096, 21080, 21352, 21760, 24335, 25120, 26690, 33728, 38936, 39680, 40192, 42160, 42704, 43520, 48670, 50240, 53380, 67456, 77872, 79360, 80384, 82739, 84320, 85408, 97340, 100480, 106760, 134912, 155744, 165478, 168640, 170816, 194680, 200960, 213520, 269824, 311488, 330956, 337280, 341632, 389360, 401920, 413695, 427040, 622976, 661912, 674560, 683264, 778720, 827390, 854080, 1245952, 1323824, 1349120, 1366528, 1557440, 1654780, 1708160, 2491904, 2647648, 3114880, 3309560, 3416320, 5295296, 6229760, 6619120, 6832640, 10590592, 12459520, 13238240, 21181184, 26476480, 42362368, 52952960, 105905920, 211811840]

約数ペア:

[(1, 211811840), (2, 105905920), (4, 52952960), (5, 42362368), (8, 26476480), (10, 21181184), (16, 13238240), (17, 12459520), (20, 10590592), (31, 6832640), (32, 6619120), (34, 6229760), (40, 5295296), (62, 3416320), (64, 3309560), (68, 3114880), (80, 2647648), (85, 2491904), (124, 1708160), (128, 1654780), (136, 1557440), (155, 1366528), (157, 1349120), (160, 1323824), (170, 1245952), (248, 854080), (256, 827390), (272, 778720), (310, 683264), (314, 674560), (320, 661912), (340, 622976), (496, 427040), (512, 413695), (527, 401920), (544, 389360), (620, 341632), (628, 337280), (640, 330956), (680, 311488), (785, 269824), (992, 213520), (1054, 200960), (1088, 194680), (1240, 170816), (1256, 168640), (1280, 165478), (1360, 155744), (1570, 134912), (1984, 106760), (2108, 100480), (2176, 97340), (2480, 85408), (2512, 84320), (2560, 82739), (2635, 80384), (2669, 79360), (2720, 77872), (3140, 67456), (3968, 53380), (4216, 50240), (4352, 48670), (4867, 43520), (4960, 42704), (5024, 42160), (5270, 40192), (5338, 39680), (5440, 38936), (6280, 33728), (7936, 26690), (8432, 25120), (8704, 24335), (9734, 21760), (9920, 21352), (10048, 21080), (10540, 20096), (10676, 19840), (10880, 19468), (12560, 16864), (13345, 15872)]