173719420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{113}}^1\times {\mathrm{139}}^1$

素因数の和:347

約数の個数: 96

約数和(自身を含む): 429004800

約数和(自身を除く): 255285380

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 79, 113, 139, 140, 158, 226, 278, 316, 395, 452, 553, 556, 565, 695, 790, 791, 973, 1106, 1130, 1390, 1580, 1582, 1946, 2212, 2260, 2765, 2780, 3164, 3892, 3955, 4865, 5530, 7910, 8927, 9730, 10981, 11060, 15707, 15820, 17854, 19460, 21962, 31414, 35708, 43924, 44635, 54905, 62489, 62828, 76867, 78535, 89270, 109810, 109949, 124978, 153734, 157070, 178540, 219620, 219898, 249956, 307468, 312445, 314140, 384335, 439796, 549745, 624890, 768670, 1099490, 1240853, 1249780, 1537340, 2198980, 2481706, 4963412, 6204265, 8685971, 12408530, 17371942, 24817060, 34743884, 43429855, 86859710, 173719420]

約数ペア:

[(1, 173719420), (2, 86859710), (4, 43429855), (5, 34743884), (7, 24817060), (10, 17371942), (14, 12408530), (20, 8685971), (28, 6204265), (35, 4963412), (70, 2481706), (79, 2198980), (113, 1537340), (139, 1249780), (140, 1240853), (158, 1099490), (226, 768670), (278, 624890), (316, 549745), (395, 439796), (452, 384335), (553, 314140), (556, 312445), (565, 307468), (695, 249956), (790, 219898), (791, 219620), (973, 178540), (1106, 157070), (1130, 153734), (1390, 124978), (1580, 109949), (1582, 109810), (1946, 89270), (2212, 78535), (2260, 76867), (2765, 62828), (2780, 62489), (3164, 54905), (3892, 44635), (3955, 43924), (4865, 35708), (5530, 31414), (7910, 21962), (8927, 19460), (9730, 17854), (10981, 15820), (11060, 15707)]