156612500

素因数分解:

$2^2\times 5^5\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1$

素因数の和:124

約数の個数: 144

約数和(自身を含む): 401599296

約数和(自身を除く): 244986796

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 25, 34, 44, 50, 55, 67, 68, 85, 100, 110, 125, 134, 170, 187, 220, 250, 268, 275, 335, 340, 374, 425, 500, 550, 625, 670, 737, 748, 850, 935, 1100, 1139, 1250, 1340, 1375, 1474, 1675, 1700, 1870, 2125, 2278, 2500, 2750, 2948, 3125, 3350, 3685, 3740, 4250, 4556, 4675, 5500, 5695, 6250, 6700, 6875, 7370, 8375, 8500, 9350, 10625, 11390, 12500, 12529, 13750, 14740, 16750, 18425, 18700, 21250, 22780, 23375, 25058, 27500, 28475, 33500, 34375, 36850, 41875, 42500, 46750, 50116, 53125, 56950, 62645, 68750, 73700, 83750, 92125, 93500, 106250, 113900, 116875, 125290, 137500, 142375, 167500, 184250, 209375, 212500, 233750, 250580, 284750, 313225, 368500, 418750, 460625, 467500, 569500, 584375, 626450, 711875, 837500, 921250, 1168750, 1252900, 1423750, 1566125, 1842500, 2303125, 2337500, 2847500, 3132250, 3559375, 4606250, 6264500, 7118750, 7830625, 9212500, 14237500, 15661250, 31322500, 39153125, 78306250, 156612500]

約数ペア:

[(1, 156612500), (2, 78306250), (4, 39153125), (5, 31322500), (10, 15661250), (11, 14237500), (17, 9212500), (20, 7830625), (22, 7118750), (25, 6264500), (34, 4606250), (44, 3559375), (50, 3132250), (55, 2847500), (67, 2337500), (68, 2303125), (85, 1842500), (100, 1566125), (110, 1423750), (125, 1252900), (134, 1168750), (170, 921250), (187, 837500), (220, 711875), (250, 626450), (268, 584375), (275, 569500), (335, 467500), (340, 460625), (374, 418750), (425, 368500), (500, 313225), (550, 284750), (625, 250580), (670, 233750), (737, 212500), (748, 209375), (850, 184250), (935, 167500), (1100, 142375), (1139, 137500), (1250, 125290), (1340, 116875), (1375, 113900), (1474, 106250), (1675, 93500), (1700, 92125), (1870, 83750), (2125, 73700), (2278, 68750), (2500, 62645), (2750, 56950), (2948, 53125), (3125, 50116), (3350, 46750), (3685, 42500), (3740, 41875), (4250, 36850), (4556, 34375), (4675, 33500), (5500, 28475), (5695, 27500), (6250, 25058), (6700, 23375), (6875, 22780), (7370, 21250), (8375, 18700), (8500, 18425), (9350, 16750), (10625, 14740), (11390, 13750), (12500, 12529)]