2019200625

素因数分解:

$3^2\times 5^4\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{521}}^1$

素因数の和:613

約数の個数: 120

約数和(自身を含む): 4006698696

約数和(自身を除く): 1987498071

約数列:

[1, 3, 5, 9, 13, 15, 25, 39, 45, 53, 65, 75, 117, 125, 159, 195, 225, 265, 325, 375, 477, 521, 585, 625, 689, 795, 975, 1125, 1325, 1563, 1625, 1875, 2067, 2385, 2605, 2925, 3445, 3975, 4689, 4875, 5625, 6201, 6625, 6773, 7815, 8125, 10335, 11925, 13025, 14625, 17225, 19875, 20319, 23445, 24375, 27613, 31005, 33125, 33865, 39075, 51675, 59625, 60957, 65125, 73125, 82839, 86125, 99375, 101595, 117225, 138065, 155025, 169325, 195375, 248517, 258375, 298125, 304785, 325625, 358969, 414195, 430625, 507975, 586125, 690325, 775125, 846625, 976875, 1076907, 1242585, 1291875, 1523925, 1794845, 2070975, 2539875, 2930625, 3230721, 3451625, 3875625, 4233125, 5384535, 6212925, 7619625, 8974225, 10354875, 12699375, 16153605, 17258125, 26922675, 31064625, 38098125, 44871125, 51774375, 80768025, 134613375, 155323125, 224355625, 403840125, 673066875, 2019200625]

約数ペア:

[(1, 2019200625), (3, 673066875), (5, 403840125), (9, 224355625), (13, 155323125), (15, 134613375), (25, 80768025), (39, 51774375), (45, 44871125), (53, 38098125), (65, 31064625), (75, 26922675), (117, 17258125), (125, 16153605), (159, 12699375), (195, 10354875), (225, 8974225), (265, 7619625), (325, 6212925), (375, 5384535), (477, 4233125), (521, 3875625), (585, 3451625), (625, 3230721), (689, 2930625), (795, 2539875), (975, 2070975), (1125, 1794845), (1325, 1523925), (1563, 1291875), (1625, 1242585), (1875, 1076907), (2067, 976875), (2385, 846625), (2605, 775125), (2925, 690325), (3445, 586125), (3975, 507975), (4689, 430625), (4875, 414195), (5625, 358969), (6201, 325625), (6625, 304785), (6773, 298125), (7815, 258375), (8125, 248517), (10335, 195375), (11925, 169325), (13025, 155025), (14625, 138065), (17225, 117225), (19875, 101595), (20319, 99375), (23445, 86125), (24375, 82839), (27613, 73125), (31005, 65125), (33125, 60957), (33865, 59625), (39075, 51675)]