258801900

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{123239}}^1$

素因数の和:123263

約数の個数: 72

約数和(自身を含む): 855778560

約数和(自身を除く): 596976660

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 75, 84, 100, 105, 140, 150, 175, 210, 300, 350, 420, 525, 700, 1050, 2100, 123239, 246478, 369717, 492956, 616195, 739434, 862673, 1232390, 1478868, 1725346, 1848585, 2464780, 2588019, 3080975, 3450692, 3697170, 4313365, 5176038, 6161950, 7394340, 8626730, 9242925, 10352076, 12323900, 12940095, 17253460, 18485850, 21566825, 25880190, 36971700, 43133650, 51760380, 64700475, 86267300, 129400950, 258801900]

約数ペア:

[(1, 258801900), (2, 129400950), (3, 86267300), (4, 64700475), (5, 51760380), (6, 43133650), (7, 36971700), (10, 25880190), (12, 21566825), (14, 18485850), (15, 17253460), (20, 12940095), (21, 12323900), (25, 10352076), (28, 9242925), (30, 8626730), (35, 7394340), (42, 6161950), (50, 5176038), (60, 4313365), (70, 3697170), (75, 3450692), (84, 3080975), (100, 2588019), (105, 2464780), (140, 1848585), (150, 1725346), (175, 1478868), (210, 1232390), (300, 862673), (350, 739434), (420, 616195), (525, 492956), (700, 369717), (1050, 246478), (2100, 123239)]