71909750

素因数分解:

$2^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{331}}^1$

素因数の和:438

約数の個数: 64

約数和(自身を含む): 149160960

約数和(自身を除く): 77251210

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 79, 110, 125, 158, 250, 275, 331, 395, 550, 662, 790, 869, 1375, 1655, 1738, 1975, 2750, 3310, 3641, 3950, 4345, 7282, 8275, 8690, 9875, 16550, 18205, 19750, 21725, 26149, 36410, 41375, 43450, 52298, 82750, 91025, 108625, 130745, 182050, 217250, 261490, 287639, 455125, 575278, 653725, 910250, 1307450, 1438195, 2876390, 3268625, 6537250, 7190975, 14381950, 35954875, 71909750]

約数ペア:

[(1, 71909750), (2, 35954875), (5, 14381950), (10, 7190975), (11, 6537250), (22, 3268625), (25, 2876390), (50, 1438195), (55, 1307450), (79, 910250), (110, 653725), (125, 575278), (158, 455125), (250, 287639), (275, 261490), (331, 217250), (395, 182050), (550, 130745), (662, 108625), (790, 91025), (869, 82750), (1375, 52298), (1655, 43450), (1738, 41375), (1975, 36410), (2750, 26149), (3310, 21725), (3641, 19750), (3950, 18205), (4345, 16550), (7282, 9875), (8275, 8690)]