123529250

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{199}}^1$

素因数の和:420

約数の個数: 64

約数和(自身を含む): 251596800

約数和(自身を除く): 128067550

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 191, 199, 250, 325, 382, 398, 650, 955, 995, 1625, 1910, 1990, 2483, 2587, 3250, 4775, 4966, 4975, 5174, 9550, 9950, 12415, 12935, 23875, 24830, 24875, 25870, 38009, 47750, 49750, 62075, 64675, 76018, 124150, 129350, 190045, 310375, 323375, 380090, 494117, 620750, 646750, 950225, 988234, 1900450, 2470585, 4751125, 4941170, 9502250, 12352925, 24705850, 61764625, 123529250]

約数ペア:

[(1, 123529250), (2, 61764625), (5, 24705850), (10, 12352925), (13, 9502250), (25, 4941170), (26, 4751125), (50, 2470585), (65, 1900450), (125, 988234), (130, 950225), (191, 646750), (199, 620750), (250, 494117), (325, 380090), (382, 323375), (398, 310375), (650, 190045), (955, 129350), (995, 124150), (1625, 76018), (1910, 64675), (1990, 62075), (2483, 49750), (2587, 47750), (3250, 38009), (4775, 25870), (4966, 24875), (4975, 24830), (5174, 23875), (9550, 12935), (9950, 12415)]