1297897750

素因数分解:

$2^1\times 5^3\times {\mathrm{71}}^1\times {\mathrm{73121}}^1$

素因数の和:73209

約数の個数: 32

約数和(自身を含む): 2463918912

約数和(自身を除く): 1166021162

約数列:

[1, 2, 5, 10, 25, 50, 71, 125, 142, 250, 355, 710, 1775, 3550, 8875, 17750, 73121, 146242, 365605, 731210, 1828025, 3656050, 5191591, 9140125, 10383182, 18280250, 25957955, 51915910, 129789775, 259579550, 648948875, 1297897750]

約数ペア:

[(1, 1297897750), (2, 648948875), (5, 259579550), (10, 129789775), (25, 51915910), (50, 25957955), (71, 18280250), (125, 10383182), (142, 9140125), (250, 5191591), (355, 3656050), (710, 1828025), (1775, 731210), (3550, 365605), (8875, 146242), (17750, 73121)]