2804433940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{165551}}^1$

素因数の和:165589

約数の個数: 72

約数和(自身を含む): 7398187776

約数和(自身を除く): 4593753836

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 121, 140, 154, 220, 242, 308, 385, 484, 605, 770, 847, 1210, 1540, 1694, 2420, 3388, 4235, 8470, 16940, 165551, 331102, 662204, 827755, 1158857, 1655510, 1821061, 2317714, 3311020, 3642122, 4635428, 5794285, 7284244, 9105305, 11588570, 12747427, 18210610, 20031671, 23177140, 25494854, 36421220, 40063342, 50989708, 63737135, 80126684, 100158355, 127474270, 140221697, 200316710, 254948540, 280443394, 400633420, 560886788, 701108485, 1402216970, 2804433940]

約数ペア:

[(1, 2804433940), (2, 1402216970), (4, 701108485), (5, 560886788), (7, 400633420), (10, 280443394), (11, 254948540), (14, 200316710), (20, 140221697), (22, 127474270), (28, 100158355), (35, 80126684), (44, 63737135), (55, 50989708), (70, 40063342), (77, 36421220), (110, 25494854), (121, 23177140), (140, 20031671), (154, 18210610), (220, 12747427), (242, 11588570), (308, 9105305), (385, 7284244), (484, 5794285), (605, 4635428), (770, 3642122), (847, 3311020), (1210, 2317714), (1540, 1821061), (1694, 1655510), (2420, 1158857), (3388, 827755), (4235, 662204), (8470, 331102), (16940, 165551)]