71785220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{149}}^1$

素因数の和:297

約数の個数: 96

約数和(自身を含む): 174636000

約数和(自身を除く): 102850780

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 109, 130, 149, 170, 218, 221, 260, 298, 340, 436, 442, 545, 596, 745, 884, 1090, 1105, 1417, 1490, 1853, 1937, 2180, 2210, 2533, 2834, 2980, 3706, 3874, 4420, 5066, 5668, 7085, 7412, 7748, 9265, 9685, 10132, 12665, 14170, 16241, 18530, 19370, 24089, 25330, 28340, 32482, 32929, 37060, 38740, 48178, 50660, 64964, 65858, 81205, 96356, 120445, 131716, 162410, 164645, 211133, 240890, 276097, 324820, 329290, 422266, 481780, 552194, 658580, 844532, 1055665, 1104388, 1380485, 2111330, 2760970, 3589261, 4222660, 5521940, 7178522, 14357044, 17946305, 35892610, 71785220]

約数ペア:

[(1, 71785220), (2, 35892610), (4, 17946305), (5, 14357044), (10, 7178522), (13, 5521940), (17, 4222660), (20, 3589261), (26, 2760970), (34, 2111330), (52, 1380485), (65, 1104388), (68, 1055665), (85, 844532), (109, 658580), (130, 552194), (149, 481780), (170, 422266), (218, 329290), (221, 324820), (260, 276097), (298, 240890), (340, 211133), (436, 164645), (442, 162410), (545, 131716), (596, 120445), (745, 96356), (884, 81205), (1090, 65858), (1105, 64964), (1417, 50660), (1490, 48178), (1853, 38740), (1937, 37060), (2180, 32929), (2210, 32482), (2533, 28340), (2834, 25330), (2980, 24089), (3706, 19370), (3874, 18530), (4420, 16241), (5066, 14170), (5668, 12665), (7085, 10132), (7412, 9685), (7748, 9265)]