203910250

素因数分解:

$2^1\times 5^3\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{317}}^1$

素因数の和:448

約数の個数: 64

約数和(自身を含む): 400038912

約数和(自身を除く): 196128662

約数列:

[1, 2, 5, 10, 25, 31, 50, 62, 83, 125, 155, 166, 250, 310, 317, 415, 634, 775, 830, 1550, 1585, 2075, 2573, 3170, 3875, 4150, 5146, 7750, 7925, 9827, 10375, 12865, 15850, 19654, 20750, 25730, 26311, 39625, 49135, 52622, 64325, 79250, 98270, 128650, 131555, 245675, 263110, 321625, 491350, 643250, 657775, 815641, 1228375, 1315550, 1631282, 2456750, 3288875, 4078205, 6577750, 8156410, 20391025, 40782050, 101955125, 203910250]

約数ペア:

[(1, 203910250), (2, 101955125), (5, 40782050), (10, 20391025), (25, 8156410), (31, 6577750), (50, 4078205), (62, 3288875), (83, 2456750), (125, 1631282), (155, 1315550), (166, 1228375), (250, 815641), (310, 657775), (317, 643250), (415, 491350), (634, 321625), (775, 263110), (830, 245675), (1550, 131555), (1585, 128650), (2075, 98270), (2573, 79250), (3170, 64325), (3875, 52622), (4150, 49135), (5146, 39625), (7750, 26311), (7925, 25730), (9827, 20750), (10375, 19654), (12865, 15850)]