90260716

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{421}}^1$

素因数の和:495

約数の個数: 96

約数和(自身を含む): 211742720

約数和(自身を除く): 121482004

約数列:

[1, 2, 4, 7, 13, 14, 19, 26, 28, 31, 38, 52, 62, 76, 91, 124, 133, 182, 217, 247, 266, 364, 403, 421, 434, 494, 532, 589, 806, 842, 868, 988, 1178, 1612, 1684, 1729, 2356, 2821, 2947, 3458, 4123, 5473, 5642, 5894, 6916, 7657, 7999, 8246, 10946, 11284, 11788, 13051, 15314, 15998, 16492, 21892, 26102, 30628, 31996, 38311, 52204, 53599, 55993, 76622, 91357, 103987, 107198, 111986, 153244, 169663, 182714, 207974, 214396, 223972, 247969, 339326, 365428, 415948, 495938, 678652, 727909, 991876, 1187641, 1455818, 1735783, 2375282, 2911636, 3223597, 3471566, 4750564, 6447194, 6943132, 12894388, 22565179, 45130358, 90260716]

約数ペア:

[(1, 90260716), (2, 45130358), (4, 22565179), (7, 12894388), (13, 6943132), (14, 6447194), (19, 4750564), (26, 3471566), (28, 3223597), (31, 2911636), (38, 2375282), (52, 1735783), (62, 1455818), (76, 1187641), (91, 991876), (124, 727909), (133, 678652), (182, 495938), (217, 415948), (247, 365428), (266, 339326), (364, 247969), (403, 223972), (421, 214396), (434, 207974), (494, 182714), (532, 169663), (589, 153244), (806, 111986), (842, 107198), (868, 103987), (988, 91357), (1178, 76622), (1612, 55993), (1684, 53599), (1729, 52204), (2356, 38311), (2821, 31996), (2947, 30628), (3458, 26102), (4123, 21892), (5473, 16492), (5642, 15998), (5894, 15314), (6916, 13051), (7657, 11788), (7999, 11284), (8246, 10946)]