71951100

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{971}}^1$

素因数の和:1020

約数の個数: 144

約数和(自身を含む): 236234880

約数和(自身を除く): 164283780

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 19, 20, 25, 26, 30, 38, 39, 50, 52, 57, 60, 65, 75, 76, 78, 95, 100, 114, 130, 150, 156, 190, 195, 228, 247, 260, 285, 300, 325, 380, 390, 475, 494, 570, 650, 741, 780, 950, 971, 975, 988, 1140, 1235, 1300, 1425, 1482, 1900, 1942, 1950, 2470, 2850, 2913, 2964, 3705, 3884, 3900, 4855, 4940, 5700, 5826, 6175, 7410, 9710, 11652, 12350, 12623, 14565, 14820, 18449, 18525, 19420, 24275, 24700, 25246, 29130, 36898, 37050, 37869, 48550, 50492, 55347, 58260, 63115, 72825, 73796, 74100, 75738, 92245, 97100, 110694, 126230, 145650, 151476, 184490, 189345, 221388, 239837, 252460, 276735, 291300, 315575, 368980, 378690, 461225, 479674, 553470, 631150, 719511, 757380, 922450, 946725, 959348, 1106940, 1199185, 1262300, 1383675, 1439022, 1844900, 1893450, 2398370, 2767350, 2878044, 3597555, 3786900, 4796740, 5534700, 5995925, 7195110, 11991850, 14390220, 17987775, 23983700, 35975550, 71951100]

約数ペア:

[(1, 71951100), (2, 35975550), (3, 23983700), (4, 17987775), (5, 14390220), (6, 11991850), (10, 7195110), (12, 5995925), (13, 5534700), (15, 4796740), (19, 3786900), (20, 3597555), (25, 2878044), (26, 2767350), (30, 2398370), (38, 1893450), (39, 1844900), (50, 1439022), (52, 1383675), (57, 1262300), (60, 1199185), (65, 1106940), (75, 959348), (76, 946725), (78, 922450), (95, 757380), (100, 719511), (114, 631150), (130, 553470), (150, 479674), (156, 461225), (190, 378690), (195, 368980), (228, 315575), (247, 291300), (260, 276735), (285, 252460), (300, 239837), (325, 221388), (380, 189345), (390, 184490), (475, 151476), (494, 145650), (570, 126230), (650, 110694), (741, 97100), (780, 92245), (950, 75738), (971, 74100), (975, 73796), (988, 72825), (1140, 63115), (1235, 58260), (1300, 55347), (1425, 50492), (1482, 48550), (1900, 37869), (1942, 37050), (1950, 36898), (2470, 29130), (2850, 25246), (2913, 24700), (2964, 24275), (3705, 19420), (3884, 18525), (3900, 18449), (4855, 14820), (4940, 14565), (5700, 12623), (5826, 12350), (6175, 11652), (7410, 9710)]