205740800

素因数分解:

$2^8\times 5^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:135

約数の個数: 216

約数和(自身を含む): 565713792

約数和(自身を除く): 359972992

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 31, 32, 34, 40, 50, 61, 62, 64, 68, 80, 85, 100, 122, 124, 128, 136, 155, 160, 170, 200, 244, 248, 256, 272, 305, 310, 320, 340, 400, 425, 488, 496, 527, 544, 610, 620, 640, 680, 775, 800, 850, 976, 992, 1037, 1054, 1088, 1220, 1240, 1280, 1360, 1525, 1550, 1600, 1700, 1891, 1952, 1984, 2074, 2108, 2176, 2440, 2480, 2635, 2720, 3050, 3100, 3200, 3400, 3782, 3904, 3968, 4148, 4216, 4352, 4880, 4960, 5185, 5270, 5440, 6100, 6200, 6400, 6800, 7564, 7808, 7936, 8296, 8432, 9455, 9760, 9920, 10370, 10540, 10880, 12200, 12400, 13175, 13600, 15128, 15616, 16592, 16864, 18910, 19520, 19840, 20740, 21080, 21760, 24400, 24800, 25925, 26350, 27200, 30256, 32147, 33184, 33728, 37820, 39040, 39680, 41480, 42160, 47275, 48800, 49600, 51850, 52700, 54400, 60512, 64294, 66368, 67456, 75640, 78080, 82960, 84320, 94550, 97600, 99200, 103700, 105400, 108800, 121024, 128588, 132736, 134912, 151280, 160735, 165920, 168640, 189100, 195200, 198400, 207400, 210800, 242048, 257176, 265472, 302560, 321470, 331840, 337280, 378200, 390400, 414800, 421600, 484096, 514352, 605120, 642940, 663680, 674560, 756400, 803675, 829600, 843200, 1028704, 1210240, 1285880, 1327360, 1512800, 1607350, 1659200, 1686400, 2057408, 2420480, 2571760, 3025600, 3214700, 3318400, 3372800, 4114816, 5143520, 6051200, 6429400, 6636800, 8229632, 10287040, 12102400, 12858800, 20574080, 25717600, 41148160, 51435200, 102870400, 205740800]

約数ペア:

[(1, 205740800), (2, 102870400), (4, 51435200), (5, 41148160), (8, 25717600), (10, 20574080), (16, 12858800), (17, 12102400), (20, 10287040), (25, 8229632), (31, 6636800), (32, 6429400), (34, 6051200), (40, 5143520), (50, 4114816), (61, 3372800), (62, 3318400), (64, 3214700), (68, 3025600), (80, 2571760), (85, 2420480), (100, 2057408), (122, 1686400), (124, 1659200), (128, 1607350), (136, 1512800), (155, 1327360), (160, 1285880), (170, 1210240), (200, 1028704), (244, 843200), (248, 829600), (256, 803675), (272, 756400), (305, 674560), (310, 663680), (320, 642940), (340, 605120), (400, 514352), (425, 484096), (488, 421600), (496, 414800), (527, 390400), (544, 378200), (610, 337280), (620, 331840), (640, 321470), (680, 302560), (775, 265472), (800, 257176), (850, 242048), (976, 210800), (992, 207400), (1037, 198400), (1054, 195200), (1088, 189100), (1220, 168640), (1240, 165920), (1280, 160735), (1360, 151280), (1525, 134912), (1550, 132736), (1600, 128588), (1700, 121024), (1891, 108800), (1952, 105400), (1984, 103700), (2074, 99200), (2108, 97600), (2176, 94550), (2440, 84320), (2480, 82960), (2635, 78080), (2720, 75640), (3050, 67456), (3100, 66368), (3200, 64294), (3400, 60512), (3782, 54400), (3904, 52700), (3968, 51850), (4148, 49600), (4216, 48800), (4352, 47275), (4880, 42160), (4960, 41480), (5185, 39680), (5270, 39040), (5440, 37820), (6100, 33728), (6200, 33184), (6400, 32147), (6800, 30256), (7564, 27200), (7808, 26350), (7936, 25925), (8296, 24800), (8432, 24400), (9455, 21760), (9760, 21080), (9920, 20740), (10370, 19840), (10540, 19520), (10880, 18910), (12200, 16864), (12400, 16592), (13175, 15616), (13600, 15128)]