221529490

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{419}}^1$

素因数の和:536

約数の個数: 96

約数和(自身を含む): 506761920

約数和(自身を除く): 285232430

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 49, 65, 70, 83, 91, 98, 130, 166, 182, 245, 415, 419, 455, 490, 581, 637, 830, 838, 910, 1079, 1162, 1274, 2095, 2158, 2905, 2933, 3185, 4067, 4190, 5395, 5447, 5810, 5866, 6370, 7553, 8134, 10790, 10894, 14665, 15106, 20335, 20531, 27235, 29330, 34777, 37765, 38129, 40670, 41062, 52871, 54470, 69554, 75530, 76258, 102655, 105742, 173885, 190645, 205310, 243439, 264355, 266903, 347770, 381290, 452101, 486878, 528710, 533806, 904202, 1217195, 1334515, 1704073, 2260505, 2434390, 2669030, 3164707, 3408146, 4521010, 6329414, 8520365, 15823535, 17040730, 22152949, 31647070, 44305898, 110764745, 221529490]

約数ペア:

[(1, 221529490), (2, 110764745), (5, 44305898), (7, 31647070), (10, 22152949), (13, 17040730), (14, 15823535), (26, 8520365), (35, 6329414), (49, 4521010), (65, 3408146), (70, 3164707), (83, 2669030), (91, 2434390), (98, 2260505), (130, 1704073), (166, 1334515), (182, 1217195), (245, 904202), (415, 533806), (419, 528710), (455, 486878), (490, 452101), (581, 381290), (637, 347770), (830, 266903), (838, 264355), (910, 243439), (1079, 205310), (1162, 190645), (1274, 173885), (2095, 105742), (2158, 102655), (2905, 76258), (2933, 75530), (3185, 69554), (4067, 54470), (4190, 52871), (5395, 41062), (5447, 40670), (5810, 38129), (5866, 37765), (6370, 34777), (7553, 29330), (8134, 27235), (10790, 20531), (10894, 20335), (14665, 15106)]