10211110

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{229}}^1$

素因数の和:270

約数の個数: 64

約数和(自身を含む): 23184000

約数和(自身を除く): 12972890

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 49, 65, 70, 91, 98, 130, 182, 229, 245, 343, 455, 458, 490, 637, 686, 910, 1145, 1274, 1603, 1715, 2290, 2977, 3185, 3206, 3430, 4459, 5954, 6370, 8015, 8918, 11221, 14885, 16030, 20839, 22295, 22442, 29770, 41678, 44590, 56105, 78547, 104195, 112210, 145873, 157094, 208390, 291746, 392735, 729365, 785470, 1021111, 1458730, 2042222, 5105555, 10211110]

約数ペア:

[(1, 10211110), (2, 5105555), (5, 2042222), (7, 1458730), (10, 1021111), (13, 785470), (14, 729365), (26, 392735), (35, 291746), (49, 208390), (65, 157094), (70, 145873), (91, 112210), (98, 104195), (130, 78547), (182, 56105), (229, 44590), (245, 41678), (343, 29770), (455, 22442), (458, 22295), (490, 20839), (637, 16030), (686, 14885), (910, 11221), (1145, 8918), (1274, 8015), (1603, 6370), (1715, 5954), (2290, 4459), (2977, 3430), (3185, 3206)]