2019333875

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{557}}^1$

素因数の和:705

約数の個数: 64

約数和(自身を含む): 2866316544

約数和(自身を除く): 846982669

約数列:

[1, 5, 13, 23, 25, 65, 97, 115, 125, 299, 325, 485, 557, 575, 1261, 1495, 1625, 2231, 2425, 2785, 2875, 6305, 7241, 7475, 11155, 12125, 12811, 13925, 29003, 31525, 36205, 37375, 54029, 55775, 64055, 69625, 145015, 157625, 166543, 181025, 270145, 278875, 320275, 702377, 725075, 832715, 905125, 1242667, 1350725, 1601375, 3511885, 3625375, 4163575, 6213335, 6753625, 16154671, 17559425, 20817875, 31066675, 80773355, 87797125, 155333375, 403866775, 2019333875]

約数ペア:

[(1, 2019333875), (5, 403866775), (13, 155333375), (23, 87797125), (25, 80773355), (65, 31066675), (97, 20817875), (115, 17559425), (125, 16154671), (299, 6753625), (325, 6213335), (485, 4163575), (557, 3625375), (575, 3511885), (1261, 1601375), (1495, 1350725), (1625, 1242667), (2231, 905125), (2425, 832715), (2785, 725075), (2875, 702377), (6305, 320275), (7241, 278875), (7475, 270145), (11155, 181025), (12125, 166543), (12811, 157625), (13925, 145015), (29003, 69625), (31525, 64055), (36205, 55775), (37375, 54029)]