1427986820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{179}}^1\times {\mathrm{503}}^1$

素因数の和:765

約数の個数: 96

約数和(自身を含む): 3307288320

約数和(自身を除く): 1879301500

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 61, 65, 122, 130, 179, 244, 260, 305, 358, 503, 610, 716, 793, 895, 1006, 1220, 1586, 1790, 2012, 2327, 2515, 3172, 3580, 3965, 4654, 5030, 6539, 7930, 9308, 10060, 10919, 11635, 13078, 15860, 21838, 23270, 26156, 30683, 32695, 43676, 46540, 54595, 61366, 65390, 90037, 109190, 122732, 130780, 141947, 153415, 180074, 218380, 283894, 306830, 360148, 398879, 450185, 567788, 613660, 709735, 797758, 900370, 1170481, 1419470, 1595516, 1800740, 1994395, 2340962, 2838940, 3988790, 4681924, 5492257, 5852405, 7977580, 10984514, 11704810, 21969028, 23409620, 27461285, 54922570, 71399341, 109845140, 142798682, 285597364, 356996705, 713993410, 1427986820]

約数ペア:

[(1, 1427986820), (2, 713993410), (4, 356996705), (5, 285597364), (10, 142798682), (13, 109845140), (20, 71399341), (26, 54922570), (52, 27461285), (61, 23409620), (65, 21969028), (122, 11704810), (130, 10984514), (179, 7977580), (244, 5852405), (260, 5492257), (305, 4681924), (358, 3988790), (503, 2838940), (610, 2340962), (716, 1994395), (793, 1800740), (895, 1595516), (1006, 1419470), (1220, 1170481), (1586, 900370), (1790, 797758), (2012, 709735), (2327, 613660), (2515, 567788), (3172, 450185), (3580, 398879), (3965, 360148), (4654, 306830), (5030, 283894), (6539, 218380), (7930, 180074), (9308, 153415), (10060, 141947), (10919, 130780), (11635, 122732), (13078, 109190), (15860, 90037), (21838, 65390), (23270, 61366), (26156, 54595), (30683, 46540), (32695, 43676)]