157859380

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{2039}}^1$

素因数の和:2141

約数の個数: 72

約数和(自身を含む): 390700800

約数和(自身を除く): 232841420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 79, 98, 140, 158, 196, 245, 316, 395, 490, 553, 790, 980, 1106, 1580, 2039, 2212, 2765, 3871, 4078, 5530, 7742, 8156, 10195, 11060, 14273, 15484, 19355, 20390, 28546, 38710, 40780, 57092, 71365, 77420, 99911, 142730, 161081, 199822, 285460, 322162, 399644, 499555, 644324, 805405, 999110, 1127567, 1610810, 1998220, 2255134, 3221620, 4510268, 5637835, 7892969, 11275670, 15785938, 22551340, 31571876, 39464845, 78929690, 157859380]

約数ペア:

[(1, 157859380), (2, 78929690), (4, 39464845), (5, 31571876), (7, 22551340), (10, 15785938), (14, 11275670), (20, 7892969), (28, 5637835), (35, 4510268), (49, 3221620), (70, 2255134), (79, 1998220), (98, 1610810), (140, 1127567), (158, 999110), (196, 805405), (245, 644324), (316, 499555), (395, 399644), (490, 322162), (553, 285460), (790, 199822), (980, 161081), (1106, 142730), (1580, 99911), (2039, 77420), (2212, 71365), (2765, 57092), (3871, 40780), (4078, 38710), (5530, 28546), (7742, 20390), (8156, 19355), (10195, 15484), (11060, 14273)]