28295750

素因数分解:

$2^1\times 5^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1$

素因数の和:103

約数の個数: 128

約数和(自身を含む): 68290560

約数和(自身を除く): 39994810

約数列:

[1, 2, 5, 7, 10, 14, 19, 23, 25, 35, 37, 38, 46, 50, 70, 74, 95, 115, 125, 133, 161, 175, 185, 190, 230, 250, 259, 266, 322, 350, 370, 437, 475, 518, 575, 665, 703, 805, 851, 874, 875, 925, 950, 1150, 1295, 1330, 1406, 1610, 1702, 1750, 1850, 2185, 2375, 2590, 2875, 3059, 3325, 3515, 4025, 4255, 4370, 4625, 4750, 4921, 5750, 5957, 6118, 6475, 6650, 7030, 8050, 8510, 9250, 9842, 10925, 11914, 12950, 15295, 16169, 16625, 17575, 20125, 21275, 21850, 24605, 29785, 30590, 32338, 32375, 33250, 35150, 40250, 42550, 49210, 54625, 59570, 64750, 76475, 80845, 87875, 106375, 109250, 113183, 123025, 148925, 152950, 161690, 175750, 212750, 226366, 246050, 297850, 382375, 404225, 565915, 615125, 744625, 764750, 808450, 1131830, 1230250, 1489250, 2021125, 2829575, 4042250, 5659150, 14147875, 28295750]

約数ペア:

[(1, 28295750), (2, 14147875), (5, 5659150), (7, 4042250), (10, 2829575), (14, 2021125), (19, 1489250), (23, 1230250), (25, 1131830), (35, 808450), (37, 764750), (38, 744625), (46, 615125), (50, 565915), (70, 404225), (74, 382375), (95, 297850), (115, 246050), (125, 226366), (133, 212750), (161, 175750), (175, 161690), (185, 152950), (190, 148925), (230, 123025), (250, 113183), (259, 109250), (266, 106375), (322, 87875), (350, 80845), (370, 76475), (437, 64750), (475, 59570), (518, 54625), (575, 49210), (665, 42550), (703, 40250), (805, 35150), (851, 33250), (874, 32375), (875, 32338), (925, 30590), (950, 29785), (1150, 24605), (1295, 21850), (1330, 21275), (1406, 20125), (1610, 17575), (1702, 16625), (1750, 16169), (1850, 15295), (2185, 12950), (2375, 11914), (2590, 10925), (2875, 9842), (3059, 9250), (3325, 8510), (3515, 8050), (4025, 7030), (4255, 6650), (4370, 6475), (4625, 6118), (4750, 5957), (4921, 5750)]