1900142002180

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{809}}^1\times {\mathrm{38977}}^1$

素因数の和:39949

約数の個数: 96

約数和(自身を含む): 4200867982080

約数和(自身を除く): 2300725979900

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 131, 230, 262, 460, 524, 655, 809, 1310, 1618, 2620, 3013, 3236, 4045, 6026, 8090, 12052, 15065, 16180, 18607, 30130, 37214, 38977, 60260, 74428, 77954, 93035, 105979, 155908, 186070, 194885, 211958, 372140, 389770, 423916, 529895, 779540, 896471, 1059790, 1792942, 2119580, 2437517, 3585884, 4482355, 4875034, 5105987, 8964710, 9750068, 10211974, 12187585, 17929420, 20423948, 24375170, 25529935, 31532393, 48750340, 51059870, 63064786, 102119740, 117437701, 126129572, 157661965, 234875402, 315323930, 469750804, 587188505, 630647860, 725245039, 1174377010, 1450490078, 2348754020, 2900980156, 3626225195, 4130743483, 7252450390, 8261486966, 14504900780, 16522973932, 20653717415, 41307434830, 82614869660, 95007100109, 190014200218, 380028400436, 475035500545, 950071001090, 1900142002180]

約数ペア:

[(1, 1900142002180), (2, 950071001090), (4, 475035500545), (5, 380028400436), (10, 190014200218), (20, 95007100109), (23, 82614869660), (46, 41307434830), (92, 20653717415), (115, 16522973932), (131, 14504900780), (230, 8261486966), (262, 7252450390), (460, 4130743483), (524, 3626225195), (655, 2900980156), (809, 2348754020), (1310, 1450490078), (1618, 1174377010), (2620, 725245039), (3013, 630647860), (3236, 587188505), (4045, 469750804), (6026, 315323930), (8090, 234875402), (12052, 157661965), (15065, 126129572), (16180, 117437701), (18607, 102119740), (30130, 63064786), (37214, 51059870), (38977, 48750340), (60260, 31532393), (74428, 25529935), (77954, 24375170), (93035, 20423948), (105979, 17929420), (155908, 12187585), (186070, 10211974), (194885, 9750068), (211958, 8964710), (372140, 5105987), (389770, 4875034), (423916, 4482355), (529895, 3585884), (779540, 2437517), (896471, 2119580), (1059790, 1792942)]