131397530

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{31}}^2\times {\mathrm{113}}^1$

素因数の和:204

約数の個数: 72

約数和(自身を含む): 271005588

約数和(自身を除く): 139608058

約数列:

[1, 2, 5, 10, 11, 22, 31, 55, 62, 110, 113, 121, 155, 226, 242, 310, 341, 565, 605, 682, 961, 1130, 1210, 1243, 1705, 1922, 2486, 3410, 3503, 3751, 4805, 6215, 7006, 7502, 9610, 10571, 12430, 13673, 17515, 18755, 21142, 27346, 35030, 37510, 38533, 52855, 68365, 77066, 105710, 108593, 116281, 136730, 192665, 217186, 232562, 385330, 423863, 542965, 581405, 847726, 1085930, 1162810, 1194523, 2119315, 2389046, 4238630, 5972615, 11945230, 13139753, 26279506, 65698765, 131397530]

約数ペア:

[(1, 131397530), (2, 65698765), (5, 26279506), (10, 13139753), (11, 11945230), (22, 5972615), (31, 4238630), (55, 2389046), (62, 2119315), (110, 1194523), (113, 1162810), (121, 1085930), (155, 847726), (226, 581405), (242, 542965), (310, 423863), (341, 385330), (565, 232562), (605, 217186), (682, 192665), (961, 136730), (1130, 116281), (1210, 108593), (1243, 105710), (1705, 77066), (1922, 68365), (2486, 52855), (3410, 38533), (3503, 37510), (3751, 35030), (4805, 27346), (6215, 21142), (7006, 18755), (7502, 17515), (9610, 13673), (10571, 12430)]