2975140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{269}}^1$

素因数の和:364

約数の個数: 48

約数和(自身を含む): 7257600

約数和(自身を除く): 4282460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 79, 140, 158, 269, 316, 395, 538, 553, 790, 1076, 1106, 1345, 1580, 1883, 2212, 2690, 2765, 3766, 5380, 5530, 7532, 9415, 11060, 18830, 21251, 37660, 42502, 85004, 106255, 148757, 212510, 297514, 425020, 595028, 743785, 1487570, 2975140]

約数ペア:

[(1, 2975140), (2, 1487570), (4, 743785), (5, 595028), (7, 425020), (10, 297514), (14, 212510), (20, 148757), (28, 106255), (35, 85004), (70, 42502), (79, 37660), (140, 21251), (158, 18830), (269, 11060), (316, 9415), (395, 7532), (538, 5530), (553, 5380), (790, 3766), (1076, 2765), (1106, 2690), (1345, 2212), (1580, 1883)]