172204240

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{47}}^1\times {\mathrm{271}}^1$

素因数の和:357

約数の個数: 120

約数和(自身を含む): 444400128

約数和(自身を除く): 272195888

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 47, 52, 65, 80, 94, 104, 130, 169, 188, 208, 235, 260, 271, 338, 376, 470, 520, 542, 611, 676, 752, 845, 940, 1040, 1084, 1222, 1352, 1355, 1690, 1880, 2168, 2444, 2704, 2710, 3055, 3380, 3523, 3760, 4336, 4888, 5420, 6110, 6760, 7046, 7943, 9776, 10840, 12220, 12737, 13520, 14092, 15886, 17615, 21680, 24440, 25474, 28184, 31772, 35230, 39715, 45799, 48880, 50948, 56368, 63544, 63685, 70460, 79430, 91598, 101896, 127088, 127370, 140920, 158860, 165581, 183196, 203792, 228995, 254740, 281840, 317720, 331162, 366392, 457990, 509480, 635440, 662324, 732784, 827905, 915980, 1018960, 1324648, 1655810, 1831960, 2152553, 2649296, 3311620, 3663920, 4305106, 6623240, 8610212, 10762765, 13246480, 17220424, 21525530, 34440848, 43051060, 86102120, 172204240]

約数ペア:

[(1, 172204240), (2, 86102120), (4, 43051060), (5, 34440848), (8, 21525530), (10, 17220424), (13, 13246480), (16, 10762765), (20, 8610212), (26, 6623240), (40, 4305106), (47, 3663920), (52, 3311620), (65, 2649296), (80, 2152553), (94, 1831960), (104, 1655810), (130, 1324648), (169, 1018960), (188, 915980), (208, 827905), (235, 732784), (260, 662324), (271, 635440), (338, 509480), (376, 457990), (470, 366392), (520, 331162), (542, 317720), (611, 281840), (676, 254740), (752, 228995), (845, 203792), (940, 183196), (1040, 165581), (1084, 158860), (1222, 140920), (1352, 127370), (1355, 127088), (1690, 101896), (1880, 91598), (2168, 79430), (2444, 70460), (2704, 63685), (2710, 63544), (3055, 56368), (3380, 50948), (3523, 48880), (3760, 45799), (4336, 39715), (4888, 35230), (5420, 31772), (6110, 28184), (6760, 25474), (7046, 24440), (7943, 21680), (9776, 17615), (10840, 15886), (12220, 14092), (12737, 13520)]