7831460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{331}}^1$

素因数の和:373

約数の個数: 72

約数和(自身を含む): 20414016

約数和(自身を除く): 12582556

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 169, 182, 260, 331, 338, 364, 455, 662, 676, 845, 910, 1183, 1324, 1655, 1690, 1820, 2317, 2366, 3310, 3380, 4303, 4634, 4732, 5915, 6620, 8606, 9268, 11585, 11830, 17212, 21515, 23170, 23660, 30121, 43030, 46340, 55939, 60242, 86060, 111878, 120484, 150605, 223756, 279695, 301210, 391573, 559390, 602420, 783146, 1118780, 1566292, 1957865, 3915730, 7831460]

約数ペア:

[(1, 7831460), (2, 3915730), (4, 1957865), (5, 1566292), (7, 1118780), (10, 783146), (13, 602420), (14, 559390), (20, 391573), (26, 301210), (28, 279695), (35, 223756), (52, 150605), (65, 120484), (70, 111878), (91, 86060), (130, 60242), (140, 55939), (169, 46340), (182, 43030), (260, 30121), (331, 23660), (338, 23170), (364, 21515), (455, 17212), (662, 11830), (676, 11585), (845, 9268), (910, 8606), (1183, 6620), (1324, 5915), (1655, 4732), (1690, 4634), (1820, 4303), (2317, 3380), (2366, 3310)]