13978250

素因数分解:

$2^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1$

素因数の和:81

約数の個数: 128

約数和(自身を含む): 33965568

約数和(自身を除く): 19987318

約数列:

[1, 2, 5, 10, 11, 13, 17, 22, 23, 25, 26, 34, 46, 50, 55, 65, 85, 110, 115, 125, 130, 143, 170, 187, 221, 230, 250, 253, 275, 286, 299, 325, 374, 391, 425, 442, 506, 550, 575, 598, 650, 715, 782, 850, 935, 1105, 1150, 1265, 1375, 1430, 1495, 1625, 1870, 1955, 2125, 2210, 2431, 2530, 2750, 2875, 2990, 3250, 3289, 3575, 3910, 4250, 4301, 4675, 4862, 5083, 5525, 5750, 6325, 6578, 7150, 7475, 8602, 9350, 9775, 10166, 11050, 12155, 12650, 14950, 16445, 17875, 19550, 21505, 23375, 24310, 25415, 27625, 31625, 32890, 35750, 37375, 43010, 46750, 48875, 50830, 55250, 55913, 60775, 63250, 74750, 82225, 97750, 107525, 111826, 121550, 127075, 164450, 215050, 254150, 279565, 303875, 411125, 537625, 559130, 607750, 635375, 822250, 1075250, 1270750, 1397825, 2795650, 6989125, 13978250]

約数ペア:

[(1, 13978250), (2, 6989125), (5, 2795650), (10, 1397825), (11, 1270750), (13, 1075250), (17, 822250), (22, 635375), (23, 607750), (25, 559130), (26, 537625), (34, 411125), (46, 303875), (50, 279565), (55, 254150), (65, 215050), (85, 164450), (110, 127075), (115, 121550), (125, 111826), (130, 107525), (143, 97750), (170, 82225), (187, 74750), (221, 63250), (230, 60775), (250, 55913), (253, 55250), (275, 50830), (286, 48875), (299, 46750), (325, 43010), (374, 37375), (391, 35750), (425, 32890), (442, 31625), (506, 27625), (550, 25415), (575, 24310), (598, 23375), (650, 21505), (715, 19550), (782, 17875), (850, 16445), (935, 14950), (1105, 12650), (1150, 12155), (1265, 11050), (1375, 10166), (1430, 9775), (1495, 9350), (1625, 8602), (1870, 7475), (1955, 7150), (2125, 6578), (2210, 6325), (2431, 5750), (2530, 5525), (2750, 5083), (2875, 4862), (2990, 4675), (3250, 4301), (3289, 4250), (3575, 3910)]