291465320

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{6287}}^1$

素因数の和:6378

約数の個数: 64

約数和(自身を含む): 701740800

約数和(自身を除く): 410275480

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 61, 76, 95, 122, 152, 190, 244, 305, 380, 488, 610, 760, 1159, 1220, 2318, 2440, 4636, 5795, 6287, 9272, 11590, 12574, 23180, 25148, 31435, 46360, 50296, 62870, 119453, 125740, 238906, 251480, 383507, 477812, 597265, 767014, 955624, 1194530, 1534028, 1917535, 2389060, 3068056, 3835070, 4778120, 7286633, 7670140, 14573266, 15340280, 29146532, 36433165, 58293064, 72866330, 145732660, 291465320]

約数ペア:

[(1, 291465320), (2, 145732660), (4, 72866330), (5, 58293064), (8, 36433165), (10, 29146532), (19, 15340280), (20, 14573266), (38, 7670140), (40, 7286633), (61, 4778120), (76, 3835070), (95, 3068056), (122, 2389060), (152, 1917535), (190, 1534028), (244, 1194530), (305, 955624), (380, 767014), (488, 597265), (610, 477812), (760, 383507), (1159, 251480), (1220, 238906), (2318, 125740), (2440, 119453), (4636, 62870), (5795, 50296), (6287, 46360), (9272, 31435), (11590, 25148), (12574, 23180)]