29128813580

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^2\times {\mathrm{311}}^1\times {\mathrm{929}}^1$

素因数の和:1391

約数の個数: 72

約数和(自身を含む): 62310699360

約数和(自身を除く): 33181885780

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 311, 355, 622, 710, 929, 1244, 1420, 1555, 1858, 3110, 3716, 4645, 5041, 6220, 9290, 10082, 18580, 20164, 22081, 25205, 44162, 50410, 65959, 88324, 100820, 110405, 131918, 220810, 263836, 288919, 329795, 441620, 577838, 659590, 1155676, 1319180, 1444595, 1567751, 2889190, 3135502, 4683089, 5778380, 6271004, 7838755, 9366178, 15677510, 18732356, 20513249, 23415445, 31355020, 41026498, 46830890, 82052996, 93661780, 102566245, 205132490, 410264980, 1456440679, 2912881358, 5825762716, 7282203395, 14564406790, 29128813580]

約数ペア:

[(1, 29128813580), (2, 14564406790), (4, 7282203395), (5, 5825762716), (10, 2912881358), (20, 1456440679), (71, 410264980), (142, 205132490), (284, 102566245), (311, 93661780), (355, 82052996), (622, 46830890), (710, 41026498), (929, 31355020), (1244, 23415445), (1420, 20513249), (1555, 18732356), (1858, 15677510), (3110, 9366178), (3716, 7838755), (4645, 6271004), (5041, 5778380), (6220, 4683089), (9290, 3135502), (10082, 2889190), (18580, 1567751), (20164, 1444595), (22081, 1319180), (25205, 1155676), (44162, 659590), (50410, 577838), (65959, 441620), (88324, 329795), (100820, 288919), (110405, 263836), (131918, 220810)]