1279658500

素因数分解:

$2^2\times 5^3\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{1123}}^1$

素因数の和:1238

約数の個数: 96

約数和(自身を含む): 2916321408

約数和(自身を除く): 1636662908

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 53, 86, 100, 106, 125, 172, 212, 215, 250, 265, 430, 500, 530, 860, 1060, 1075, 1123, 1325, 2150, 2246, 2279, 2650, 4300, 4492, 4558, 5300, 5375, 5615, 6625, 9116, 10750, 11230, 11395, 13250, 21500, 22460, 22790, 26500, 28075, 45580, 48289, 56150, 56975, 59519, 96578, 112300, 113950, 119038, 140375, 193156, 227900, 238076, 241445, 280750, 284875, 297595, 482890, 561500, 569750, 595190, 965780, 1139500, 1190380, 1207225, 1487975, 2414450, 2559317, 2975950, 4828900, 5118634, 5951900, 6036125, 7439875, 10237268, 12072250, 12796585, 14879750, 24144500, 25593170, 29759500, 51186340, 63982925, 127965850, 255931700, 319914625, 639829250, 1279658500]

約数ペア:

[(1, 1279658500), (2, 639829250), (4, 319914625), (5, 255931700), (10, 127965850), (20, 63982925), (25, 51186340), (43, 29759500), (50, 25593170), (53, 24144500), (86, 14879750), (100, 12796585), (106, 12072250), (125, 10237268), (172, 7439875), (212, 6036125), (215, 5951900), (250, 5118634), (265, 4828900), (430, 2975950), (500, 2559317), (530, 2414450), (860, 1487975), (1060, 1207225), (1075, 1190380), (1123, 1139500), (1325, 965780), (2150, 595190), (2246, 569750), (2279, 561500), (2650, 482890), (4300, 297595), (4492, 284875), (4558, 280750), (5300, 241445), (5375, 238076), (5615, 227900), (6625, 193156), (9116, 140375), (10750, 119038), (11230, 113950), (11395, 112300), (13250, 96578), (21500, 59519), (22460, 56975), (22790, 56150), (26500, 48289), (28075, 45580)]