199598750

素因数分解:

$2^1\times 5^4\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{173}}^1$

素因数の和:279

約数の個数: 80

約数和(自身を含む): 410943456

約数和(自身を除く): 211344706

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 71, 125, 130, 142, 173, 250, 325, 346, 355, 625, 650, 710, 865, 923, 1250, 1625, 1730, 1775, 1846, 2249, 3250, 3550, 4325, 4498, 4615, 8125, 8650, 8875, 9230, 11245, 12283, 16250, 17750, 21625, 22490, 23075, 24566, 43250, 44375, 46150, 56225, 61415, 88750, 108125, 112450, 115375, 122830, 159679, 216250, 230750, 281125, 307075, 319358, 562250, 576875, 614150, 798395, 1153750, 1405625, 1535375, 1596790, 2811250, 3070750, 3991975, 7676875, 7983950, 15353750, 19959875, 39919750, 99799375, 199598750]

約数ペア:

[(1, 199598750), (2, 99799375), (5, 39919750), (10, 19959875), (13, 15353750), (25, 7983950), (26, 7676875), (50, 3991975), (65, 3070750), (71, 2811250), (125, 1596790), (130, 1535375), (142, 1405625), (173, 1153750), (250, 798395), (325, 614150), (346, 576875), (355, 562250), (625, 319358), (650, 307075), (710, 281125), (865, 230750), (923, 216250), (1250, 159679), (1625, 122830), (1730, 115375), (1775, 112450), (1846, 108125), (2249, 88750), (3250, 61415), (3550, 56225), (4325, 46150), (4498, 44375), (4615, 43250), (8125, 24566), (8650, 23075), (8875, 22490), (9230, 21625), (11245, 17750), (12283, 16250)]