1257219890

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{157}}^1\times {\mathrm{521}}^1$

素因数の和:767

約数の個数: 64

約数和(自身を含む): 2405000160

約数和(自身を除く): 1147780270

約数列:

[1, 2, 5, 10, 29, 53, 58, 106, 145, 157, 265, 290, 314, 521, 530, 785, 1042, 1537, 1570, 2605, 3074, 4553, 5210, 7685, 8321, 9106, 15109, 15370, 16642, 22765, 27613, 30218, 41605, 45530, 55226, 75545, 81797, 83210, 138065, 151090, 163594, 241309, 276130, 408985, 482618, 800777, 817970, 1206545, 1601554, 2372113, 2413090, 4003885, 4335241, 4744226, 8007770, 8670482, 11860565, 21676205, 23721130, 43352410, 125721989, 251443978, 628609945, 1257219890]

約数ペア:

[(1, 1257219890), (2, 628609945), (5, 251443978), (10, 125721989), (29, 43352410), (53, 23721130), (58, 21676205), (106, 11860565), (145, 8670482), (157, 8007770), (265, 4744226), (290, 4335241), (314, 4003885), (521, 2413090), (530, 2372113), (785, 1601554), (1042, 1206545), (1537, 817970), (1570, 800777), (2605, 482618), (3074, 408985), (4553, 276130), (5210, 241309), (7685, 163594), (8321, 151090), (9106, 138065), (15109, 83210), (15370, 81797), (16642, 75545), (22765, 55226), (27613, 45530), (30218, 41605)]