661775650

素因数分解:

$2^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{229}}^1\times {\mathrm{1993}}^1$

素因数の和:2263

約数の個数: 48

約数和(自身を含む): 1279549800

約数和(自身を除く): 617774150

約数列:

[1, 2, 5, 10, 25, 29, 50, 58, 145, 229, 290, 458, 725, 1145, 1450, 1993, 2290, 3986, 5725, 6641, 9965, 11450, 13282, 19930, 33205, 49825, 57797, 66410, 99650, 115594, 166025, 288985, 332050, 456397, 577970, 912794, 1444925, 2281985, 2889850, 4563970, 11409925, 13235513, 22819850, 26471026, 66177565, 132355130, 330887825, 661775650]

約数ペア:

[(1, 661775650), (2, 330887825), (5, 132355130), (10, 66177565), (25, 26471026), (29, 22819850), (50, 13235513), (58, 11409925), (145, 4563970), (229, 2889850), (290, 2281985), (458, 1444925), (725, 912794), (1145, 577970), (1450, 456397), (1993, 332050), (2290, 288985), (3986, 166025), (5725, 115594), (6641, 99650), (9965, 66410), (11450, 57797), (13282, 49825), (19930, 33205)]