7139026420

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{1777}}^1$

素因数の和:1973

約数の個数: 96

約数和(自身を含む): 15834299040

約数和(自身を除く): 8695272620

約数列:

[1, 2, 4, 5, 10, 20, 37, 61, 74, 89, 122, 148, 178, 185, 244, 305, 356, 370, 445, 610, 740, 890, 1220, 1777, 1780, 2257, 3293, 3554, 4514, 5429, 6586, 7108, 8885, 9028, 10858, 11285, 13172, 16465, 17770, 21716, 22570, 27145, 32930, 35540, 45140, 54290, 65749, 65860, 108397, 108580, 131498, 158153, 200873, 216794, 262996, 316306, 328745, 401746, 433588, 541985, 632612, 657490, 790765, 803492, 1004365, 1083970, 1314980, 1581530, 2008730, 2167940, 3163060, 4010689, 4017460, 5851661, 8021378, 9647333, 11703322, 16042756, 19294666, 20053445, 23406644, 29258305, 38589332, 40106890, 48236665, 58516610, 80213780, 96473330, 117033220, 192946660, 356951321, 713902642, 1427805284, 1784756605, 3569513210, 7139026420]

約数ペア:

[(1, 7139026420), (2, 3569513210), (4, 1784756605), (5, 1427805284), (10, 713902642), (20, 356951321), (37, 192946660), (61, 117033220), (74, 96473330), (89, 80213780), (122, 58516610), (148, 48236665), (178, 40106890), (185, 38589332), (244, 29258305), (305, 23406644), (356, 20053445), (370, 19294666), (445, 16042756), (610, 11703322), (740, 9647333), (890, 8021378), (1220, 5851661), (1777, 4017460), (1780, 4010689), (2257, 3163060), (3293, 2167940), (3554, 2008730), (4514, 1581530), (5429, 1314980), (6586, 1083970), (7108, 1004365), (8885, 803492), (9028, 790765), (10858, 657490), (11285, 632612), (13172, 541985), (16465, 433588), (17770, 401746), (21716, 328745), (22570, 316306), (27145, 262996), (32930, 216794), (35540, 200873), (45140, 158153), (54290, 131498), (65749, 108580), (65860, 108397)]