637198630

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{157}}^1\times {\mathrm{521}}^1$

素因数の和:745

約数の個数: 64

約数和(自身を含む): 1247037120

約数和(自身を除く): 609838490

約数列:

[1, 2, 5, 10, 19, 38, 41, 82, 95, 157, 190, 205, 314, 410, 521, 779, 785, 1042, 1558, 1570, 2605, 2983, 3895, 5210, 5966, 6437, 7790, 9899, 12874, 14915, 19798, 21361, 29830, 32185, 42722, 49495, 64370, 81797, 98990, 106805, 122303, 163594, 213610, 244606, 405859, 408985, 611515, 811718, 817970, 1223030, 1554143, 2029295, 3108286, 3353677, 4058590, 6707354, 7770715, 15541430, 16768385, 33536770, 63719863, 127439726, 318599315, 637198630]

約数ペア:

[(1, 637198630), (2, 318599315), (5, 127439726), (10, 63719863), (19, 33536770), (38, 16768385), (41, 15541430), (82, 7770715), (95, 6707354), (157, 4058590), (190, 3353677), (205, 3108286), (314, 2029295), (410, 1554143), (521, 1223030), (779, 817970), (785, 811718), (1042, 611515), (1558, 408985), (1570, 405859), (2605, 244606), (2983, 213610), (3895, 163594), (5210, 122303), (5966, 106805), (6437, 98990), (7790, 81797), (9899, 64370), (12874, 49495), (14915, 42722), (19798, 32185), (21361, 29830)]