155113700

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{3121}}^1$

素因数の和:3213

約数の個数: 72

約数和(自身を含む): 390225024

約数和(自身を除く): 235111324

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 71, 100, 140, 142, 175, 284, 350, 355, 497, 700, 710, 994, 1420, 1775, 1988, 2485, 3121, 3550, 4970, 6242, 7100, 9940, 12425, 12484, 15605, 21847, 24850, 31210, 43694, 49700, 62420, 78025, 87388, 109235, 156050, 218470, 221591, 312100, 436940, 443182, 546175, 886364, 1092350, 1107955, 1551137, 2184700, 2215910, 3102274, 4431820, 5539775, 6204548, 7755685, 11079550, 15511370, 22159100, 31022740, 38778425, 77556850, 155113700]

約数ペア:

[(1, 155113700), (2, 77556850), (4, 38778425), (5, 31022740), (7, 22159100), (10, 15511370), (14, 11079550), (20, 7755685), (25, 6204548), (28, 5539775), (35, 4431820), (50, 3102274), (70, 2215910), (71, 2184700), (100, 1551137), (140, 1107955), (142, 1092350), (175, 886364), (284, 546175), (350, 443182), (355, 436940), (497, 312100), (700, 221591), (710, 218470), (994, 156050), (1420, 109235), (1775, 87388), (1988, 78025), (2485, 62420), (3121, 49700), (3550, 43694), (4970, 31210), (6242, 24850), (7100, 21847), (9940, 15605), (12425, 12484)]