90982120

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{131}}^1\times {\mathrm{179}}^1$

素因数の和:418

約数の個数: 64

約数和(自身を含む): 209563200

約数和(自身を除く): 118581080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 131, 179, 194, 262, 358, 388, 485, 524, 655, 716, 776, 895, 970, 1048, 1310, 1432, 1790, 1940, 2620, 3580, 3880, 5240, 7160, 12707, 17363, 23449, 25414, 34726, 46898, 50828, 63535, 69452, 86815, 93796, 101656, 117245, 127070, 138904, 173630, 187592, 234490, 254140, 347260, 468980, 508280, 694520, 937960, 2274553, 4549106, 9098212, 11372765, 18196424, 22745530, 45491060, 90982120]

約数ペア:

[(1, 90982120), (2, 45491060), (4, 22745530), (5, 18196424), (8, 11372765), (10, 9098212), (20, 4549106), (40, 2274553), (97, 937960), (131, 694520), (179, 508280), (194, 468980), (262, 347260), (358, 254140), (388, 234490), (485, 187592), (524, 173630), (655, 138904), (716, 127070), (776, 117245), (895, 101656), (970, 93796), (1048, 86815), (1310, 69452), (1432, 63535), (1790, 50828), (1940, 46898), (2620, 34726), (3580, 25414), (3880, 23449), (5240, 17363), (7160, 12707)]