638553016660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^2\times {\mathrm{71}}^1\times {\mathrm{41131}}^1$

素因数の和:41282

約数の個数: 144

約数和(自身を含む): 1516728350592

約数和(自身を除く): 878175333932

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 29, 52, 58, 65, 71, 116, 130, 142, 145, 260, 284, 290, 355, 377, 580, 710, 754, 841, 923, 1420, 1508, 1682, 1846, 1885, 2059, 3364, 3692, 3770, 4118, 4205, 4615, 7540, 8236, 8410, 9230, 10295, 10933, 16820, 18460, 20590, 21866, 26767, 41131, 41180, 43732, 53534, 54665, 59711, 82262, 107068, 109330, 119422, 133835, 164524, 205655, 218660, 238844, 267670, 298555, 411310, 534703, 535340, 597110, 776243, 822620, 1069406, 1192799, 1194220, 1552486, 2138812, 2385598, 2673515, 2920301, 3104972, 3881215, 4771196, 5347030, 5840602, 5963995, 7762430, 10694060, 11681204, 11927990, 14601505, 15506387, 15524860, 23855980, 29203010, 31012774, 34591171, 37963913, 58406020, 62025548, 69182342, 75927826, 77531935, 84688729, 138364684, 151855652, 155063870, 169377458, 172955855, 189819565, 310127740, 338754916, 345911710, 379639130, 423443645, 449685223, 691823420, 759278260, 846887290, 899370446, 1100953477, 1693774580, 1798740892, 2201906954, 2248426115, 2455973141, 4403813908, 4496852230, 4911946282, 5504767385, 8993704460, 9823892564, 11009534770, 12279865705, 22019069540, 24559731410, 31927650833, 49119462820, 63855301666, 127710603332, 159638254165, 319276508330, 638553016660]

約数ペア:

[(1, 638553016660), (2, 319276508330), (4, 159638254165), (5, 127710603332), (10, 63855301666), (13, 49119462820), (20, 31927650833), (26, 24559731410), (29, 22019069540), (52, 12279865705), (58, 11009534770), (65, 9823892564), (71, 8993704460), (116, 5504767385), (130, 4911946282), (142, 4496852230), (145, 4403813908), (260, 2455973141), (284, 2248426115), (290, 2201906954), (355, 1798740892), (377, 1693774580), (580, 1100953477), (710, 899370446), (754, 846887290), (841, 759278260), (923, 691823420), (1420, 449685223), (1508, 423443645), (1682, 379639130), (1846, 345911710), (1885, 338754916), (2059, 310127740), (3364, 189819565), (3692, 172955855), (3770, 169377458), (4118, 155063870), (4205, 151855652), (4615, 138364684), (7540, 84688729), (8236, 77531935), (8410, 75927826), (9230, 69182342), (10295, 62025548), (10933, 58406020), (16820, 37963913), (18460, 34591171), (20590, 31012774), (21866, 29203010), (26767, 23855980), (41131, 15524860), (41180, 15506387), (43732, 14601505), (53534, 11927990), (54665, 11681204), (59711, 10694060), (82262, 7762430), (107068, 5963995), (109330, 5840602), (119422, 5347030), (133835, 4771196), (164524, 3881215), (205655, 3104972), (218660, 2920301), (238844, 2673515), (267670, 2385598), (298555, 2138812), (411310, 1552486), (534703, 1194220), (535340, 1192799), (597110, 1069406), (776243, 822620)]