155013020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{13159}}^1$

素因数の和:13218

約数の個数: 48

約数和(自身を含む): 353740800

約数和(自身を除く): 198727780

約数列:

[1, 2, 4, 5, 10, 19, 20, 31, 38, 62, 76, 95, 124, 155, 190, 310, 380, 589, 620, 1178, 2356, 2945, 5890, 11780, 13159, 26318, 52636, 65795, 131590, 250021, 263180, 407929, 500042, 815858, 1000084, 1250105, 1631716, 2039645, 2500210, 4079290, 5000420, 7750651, 8158580, 15501302, 31002604, 38753255, 77506510, 155013020]

約数ペア:

[(1, 155013020), (2, 77506510), (4, 38753255), (5, 31002604), (10, 15501302), (19, 8158580), (20, 7750651), (31, 5000420), (38, 4079290), (62, 2500210), (76, 2039645), (95, 1631716), (124, 1250105), (155, 1000084), (190, 815858), (310, 500042), (380, 407929), (589, 263180), (620, 250021), (1178, 131590), (2356, 65795), (2945, 52636), (5890, 26318), (11780, 13159)]