2149179100

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{18869}}^1$

素因数の和:18967

約数の個数: 72

約数和(自身を含む): 5012022960

約数和(自身を除く): 2862843860

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 67, 68, 85, 100, 134, 170, 268, 335, 340, 425, 670, 850, 1139, 1340, 1675, 1700, 2278, 3350, 4556, 5695, 6700, 11390, 18869, 22780, 28475, 37738, 56950, 75476, 94345, 113900, 188690, 320773, 377380, 471725, 641546, 943450, 1264223, 1283092, 1603865, 1886900, 2528446, 3207730, 5056892, 6321115, 6415460, 8019325, 12642230, 16038650, 21491791, 25284460, 31605575, 32077300, 42983582, 63211150, 85967164, 107458955, 126422300, 214917910, 429835820, 537294775, 1074589550, 2149179100]

約数ペア:

[(1, 2149179100), (2, 1074589550), (4, 537294775), (5, 429835820), (10, 214917910), (17, 126422300), (20, 107458955), (25, 85967164), (34, 63211150), (50, 42983582), (67, 32077300), (68, 31605575), (85, 25284460), (100, 21491791), (134, 16038650), (170, 12642230), (268, 8019325), (335, 6415460), (340, 6321115), (425, 5056892), (670, 3207730), (850, 2528446), (1139, 1886900), (1340, 1603865), (1675, 1283092), (1700, 1264223), (2278, 943450), (3350, 641546), (4556, 471725), (5695, 377380), (6700, 320773), (11390, 188690), (18869, 113900), (22780, 94345), (28475, 75476), (37738, 56950)]