399408340

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{757}}^1$

素因数の和:857

約数の個数: 96

約数和(自身を含む): 929101824

約数和(自身を除く): 529693484

約数列:

[1, 2, 4, 5, 10, 20, 23, 31, 37, 46, 62, 74, 92, 115, 124, 148, 155, 185, 230, 310, 370, 460, 620, 713, 740, 757, 851, 1147, 1426, 1514, 1702, 2294, 2852, 3028, 3404, 3565, 3785, 4255, 4588, 5735, 7130, 7570, 8510, 11470, 14260, 15140, 17020, 17411, 22940, 23467, 26381, 28009, 34822, 46934, 52762, 56018, 69644, 87055, 93868, 105524, 112036, 117335, 131905, 140045, 174110, 234670, 263810, 280090, 348220, 469340, 527620, 539741, 560180, 644207, 868279, 1079482, 1288414, 1736558, 2158964, 2576828, 2698705, 3221035, 3473116, 4341395, 5397410, 6442070, 8682790, 10794820, 12884140, 17365580, 19970417, 39940834, 79881668, 99852085, 199704170, 399408340]

約数ペア:

[(1, 399408340), (2, 199704170), (4, 99852085), (5, 79881668), (10, 39940834), (20, 19970417), (23, 17365580), (31, 12884140), (37, 10794820), (46, 8682790), (62, 6442070), (74, 5397410), (92, 4341395), (115, 3473116), (124, 3221035), (148, 2698705), (155, 2576828), (185, 2158964), (230, 1736558), (310, 1288414), (370, 1079482), (460, 868279), (620, 644207), (713, 560180), (740, 539741), (757, 527620), (851, 469340), (1147, 348220), (1426, 280090), (1514, 263810), (1702, 234670), (2294, 174110), (2852, 140045), (3028, 131905), (3404, 117335), (3565, 112036), (3785, 105524), (4255, 93868), (4588, 87055), (5735, 69644), (7130, 56018), (7570, 52762), (8510, 46934), (11470, 34822), (14260, 28009), (15140, 26381), (17020, 23467), (17411, 22940)]