12259750

素因数分解:

$2^1\times 5^3\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1$

素因数の和:154

約数の個数: 64

約数和(自身を含む): 25272000

約数和(自身を除く): 13012250

約数列:

[1, 2, 5, 10, 19, 25, 29, 38, 50, 58, 89, 95, 125, 145, 178, 190, 250, 290, 445, 475, 551, 725, 890, 950, 1102, 1450, 1691, 2225, 2375, 2581, 2755, 3382, 3625, 4450, 4750, 5162, 5510, 7250, 8455, 11125, 12905, 13775, 16910, 22250, 25810, 27550, 42275, 49039, 64525, 68875, 84550, 98078, 129050, 137750, 211375, 245195, 322625, 422750, 490390, 645250, 1225975, 2451950, 6129875, 12259750]

約数ペア:

[(1, 12259750), (2, 6129875), (5, 2451950), (10, 1225975), (19, 645250), (25, 490390), (29, 422750), (38, 322625), (50, 245195), (58, 211375), (89, 137750), (95, 129050), (125, 98078), (145, 84550), (178, 68875), (190, 64525), (250, 49039), (290, 42275), (445, 27550), (475, 25810), (551, 22250), (725, 16910), (890, 13775), (950, 12905), (1102, 11125), (1450, 8455), (1691, 7250), (2225, 5510), (2375, 5162), (2581, 4750), (2755, 4450), (3382, 3625)]