245655375

素因数分解:

$3^1\times 5^3\times 7^2\times {\mathrm{29}}^1\times {\mathrm{461}}^1$

素因数の和:522

約数の個数: 96

約数和(自身を含む): 492972480

約数和(自身を除く): 247317105

約数列:

[1, 3, 5, 7, 15, 21, 25, 29, 35, 49, 75, 87, 105, 125, 145, 147, 175, 203, 245, 375, 435, 461, 525, 609, 725, 735, 875, 1015, 1225, 1383, 1421, 2175, 2305, 2625, 3045, 3227, 3625, 3675, 4263, 5075, 6125, 6915, 7105, 9681, 10875, 11525, 13369, 15225, 16135, 18375, 21315, 22589, 25375, 34575, 35525, 40107, 48405, 57625, 66845, 67767, 76125, 80675, 93583, 106575, 112945, 172875, 177625, 200535, 242025, 280749, 334225, 338835, 403375, 467915, 532875, 564725, 655081, 1002675, 1210125, 1403745, 1671125, 1694175, 1965243, 2339575, 2823625, 3275405, 5013375, 7018725, 8470875, 9826215, 11697875, 16377025, 35093625, 49131075, 81885125, 245655375]

約数ペア:

[(1, 245655375), (3, 81885125), (5, 49131075), (7, 35093625), (15, 16377025), (21, 11697875), (25, 9826215), (29, 8470875), (35, 7018725), (49, 5013375), (75, 3275405), (87, 2823625), (105, 2339575), (125, 1965243), (145, 1694175), (147, 1671125), (175, 1403745), (203, 1210125), (245, 1002675), (375, 655081), (435, 564725), (461, 532875), (525, 467915), (609, 403375), (725, 338835), (735, 334225), (875, 280749), (1015, 242025), (1225, 200535), (1383, 177625), (1421, 172875), (2175, 112945), (2305, 106575), (2625, 93583), (3045, 80675), (3227, 76125), (3625, 67767), (3675, 66845), (4263, 57625), (5075, 48405), (6125, 40107), (6915, 35525), (7105, 34575), (9681, 25375), (10875, 22589), (11525, 21315), (13369, 18375), (15225, 16135)]