90415376

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^2$

素因数の和:228

約数の個数: 60

約数和(自身を含む): 190203600

約数和(自身を除く): 99788224

約数列:

[1, 2, 4, 8, 16, 19, 38, 59, 71, 76, 118, 142, 152, 236, 284, 304, 472, 568, 944, 1121, 1136, 1349, 2242, 2698, 4189, 4484, 5041, 5396, 8378, 8968, 10082, 10792, 16756, 17936, 20164, 21584, 33512, 40328, 67024, 79591, 80656, 95779, 159182, 191558, 297419, 318364, 383116, 594838, 636728, 766232, 1189676, 1273456, 1532464, 2379352, 4758704, 5650961, 11301922, 22603844, 45207688, 90415376]

約数ペア:

[(1, 90415376), (2, 45207688), (4, 22603844), (8, 11301922), (16, 5650961), (19, 4758704), (38, 2379352), (59, 1532464), (71, 1273456), (76, 1189676), (118, 766232), (142, 636728), (152, 594838), (236, 383116), (284, 318364), (304, 297419), (472, 191558), (568, 159182), (944, 95779), (1121, 80656), (1136, 79591), (1349, 67024), (2242, 40328), (2698, 33512), (4189, 21584), (4484, 20164), (5041, 17936), (5396, 16756), (8378, 10792), (8968, 10082)]