84465220

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{1091}}^1$

素因数の和:1193

約数の個数: 72

約数和(自身を含む): 209139840

約数和(自身を除く): 124674620

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, 1091, 1106, 1580, 2182, 2212, 2765, 3871, 4364, 5455, 5530, 7637, 7742, 10910, 11060, 15274, 15484, 19355, 21820, 30548, 38185, 38710, 53459, 76370, 77420, 86189, 106918, 152740, 172378, 213836, 267295, 344756, 430945, 534590, 603323, 861890, 1069180, 1206646, 1723780, 2413292, 3016615, 4223261, 6033230, 8446522, 12066460, 16893044, 21116305, 42232610, 84465220]

約数ペア:

[(1, 84465220), (2, 42232610), (4, 21116305), (5, 16893044), (7, 12066460), (10, 8446522), (14, 6033230), (20, 4223261), (28, 3016615), (35, 2413292), (49, 1723780), (70, 1206646), (79, 1069180), (98, 861890), (140, 603323), (158, 534590), (196, 430945), (245, 344756), (316, 267295), (395, 213836), (490, 172378), (553, 152740), (790, 106918), (980, 86189), (1091, 77420), (1106, 76370), (1580, 53459), (2182, 38710), (2212, 38185), (2765, 30548), (3871, 21820), (4364, 19355), (5455, 15484), (5530, 15274), (7637, 11060), (7742, 10910)]