2388894140

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^2\times {\mathrm{109}}^1\times {\mathrm{1303}}^1$

素因数の和:1479

約数の個数: 72

約数和(自身を含む): 5247322080

約数和(自身を除く): 2858427940

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 109, 116, 145, 218, 290, 436, 545, 580, 841, 1090, 1303, 1682, 2180, 2606, 3161, 3364, 4205, 5212, 6322, 6515, 8410, 12644, 13030, 15805, 16820, 26060, 31610, 37787, 63220, 75574, 91669, 142027, 151148, 183338, 188935, 284054, 366676, 377870, 458345, 568108, 710135, 755740, 916690, 1095823, 1420270, 1833380, 2191646, 2840540, 4118783, 4383292, 5479115, 8237566, 10958230, 16475132, 20593915, 21916460, 41187830, 82375660, 119444707, 238889414, 477778828, 597223535, 1194447070, 2388894140]

約数ペア:

[(1, 2388894140), (2, 1194447070), (4, 597223535), (5, 477778828), (10, 238889414), (20, 119444707), (29, 82375660), (58, 41187830), (109, 21916460), (116, 20593915), (145, 16475132), (218, 10958230), (290, 8237566), (436, 5479115), (545, 4383292), (580, 4118783), (841, 2840540), (1090, 2191646), (1303, 1833380), (1682, 1420270), (2180, 1095823), (2606, 916690), (3161, 755740), (3364, 710135), (4205, 568108), (5212, 458345), (6322, 377870), (6515, 366676), (8410, 284054), (12644, 188935), (13030, 183338), (15805, 151148), (16820, 142027), (26060, 91669), (31610, 75574), (37787, 63220)]