64757990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{109}}^1\times {\mathrm{491}}^1$

素因数の和:629

約数の個数: 48

約数和(自身を含む): 129563280

約数和(自身を除く): 64805290

約数列:

[1, 2, 5, 10, 11, 22, 55, 109, 110, 121, 218, 242, 491, 545, 605, 982, 1090, 1199, 1210, 2398, 2455, 4910, 5401, 5995, 10802, 11990, 13189, 26378, 27005, 53519, 54010, 59411, 65945, 107038, 118822, 131890, 267595, 297055, 535190, 588709, 594110, 1177418, 2943545, 5887090, 6475799, 12951598, 32378995, 64757990]

約数ペア:

[(1, 64757990), (2, 32378995), (5, 12951598), (10, 6475799), (11, 5887090), (22, 2943545), (55, 1177418), (109, 594110), (110, 588709), (121, 535190), (218, 297055), (242, 267595), (491, 131890), (545, 118822), (605, 107038), (982, 65945), (1090, 59411), (1199, 54010), (1210, 53519), (2398, 27005), (2455, 26378), (4910, 13189), (5401, 11990), (5995, 10802)]