320469808

素因数分解:

$2^4\times {\mathrm{19}}^2\times {\mathrm{113}}^1\times {\mathrm{491}}^1$

素因数の和:650

約数の個数: 60

約数和(自身を含む): 662455368

約数和(自身を除く): 341985560

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 113, 152, 226, 304, 361, 452, 491, 722, 904, 982, 1444, 1808, 1964, 2147, 2888, 3928, 4294, 5776, 7856, 8588, 9329, 17176, 18658, 34352, 37316, 40793, 55483, 74632, 81586, 110966, 149264, 163172, 177251, 221932, 326344, 354502, 443864, 652688, 709004, 887728, 1054177, 1418008, 2108354, 2836016, 4216708, 8433416, 16866832, 20029363, 40058726, 80117452, 160234904, 320469808]

約数ペア:

[(1, 320469808), (2, 160234904), (4, 80117452), (8, 40058726), (16, 20029363), (19, 16866832), (38, 8433416), (76, 4216708), (113, 2836016), (152, 2108354), (226, 1418008), (304, 1054177), (361, 887728), (452, 709004), (491, 652688), (722, 443864), (904, 354502), (982, 326344), (1444, 221932), (1808, 177251), (1964, 163172), (2147, 149264), (2888, 110966), (3928, 81586), (4294, 74632), (5776, 55483), (7856, 40793), (8588, 37316), (9329, 34352), (17176, 18658)]