251875875

素因数分解:

$3^1\times 5^3\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1$

素因数の和:142

約数の個数: 128

約数和(自身を含む): 485222400

約数和(自身を除く): 233346525

約数列:

[1, 3, 5, 15, 19, 23, 25, 29, 53, 57, 69, 75, 87, 95, 115, 125, 145, 159, 265, 285, 345, 375, 435, 437, 475, 551, 575, 667, 725, 795, 1007, 1219, 1311, 1325, 1425, 1537, 1653, 1725, 2001, 2175, 2185, 2375, 2755, 2875, 3021, 3335, 3625, 3657, 3975, 4611, 5035, 6095, 6555, 6625, 7125, 7685, 8265, 8625, 10005, 10875, 10925, 12673, 13775, 15105, 16675, 18285, 19875, 23055, 23161, 25175, 29203, 30475, 32775, 35351, 38019, 38425, 41325, 50025, 54625, 63365, 68875, 69483, 75525, 83375, 87609, 91425, 106053, 115275, 115805, 125875, 146015, 152375, 163875, 176755, 190095, 192125, 206625, 250125, 316825, 347415, 377625, 438045, 457125, 530265, 576375, 579025, 671669, 730075, 883775, 950475, 1584125, 1737075, 2015007, 2190225, 2651325, 2895125, 3358345, 3650375, 4418875, 4752375, 8685375, 10075035, 10951125, 13256625, 16791725, 50375175, 83958625, 251875875]

約数ペア:

[(1, 251875875), (3, 83958625), (5, 50375175), (15, 16791725), (19, 13256625), (23, 10951125), (25, 10075035), (29, 8685375), (53, 4752375), (57, 4418875), (69, 3650375), (75, 3358345), (87, 2895125), (95, 2651325), (115, 2190225), (125, 2015007), (145, 1737075), (159, 1584125), (265, 950475), (285, 883775), (345, 730075), (375, 671669), (435, 579025), (437, 576375), (475, 530265), (551, 457125), (575, 438045), (667, 377625), (725, 347415), (795, 316825), (1007, 250125), (1219, 206625), (1311, 192125), (1325, 190095), (1425, 176755), (1537, 163875), (1653, 152375), (1725, 146015), (2001, 125875), (2175, 115805), (2185, 115275), (2375, 106053), (2755, 91425), (2875, 87609), (3021, 83375), (3335, 75525), (3625, 69483), (3657, 68875), (3975, 63365), (4611, 54625), (5035, 50025), (6095, 41325), (6555, 38425), (6625, 38019), (7125, 35351), (7685, 32775), (8265, 30475), (8625, 29203), (10005, 25175), (10875, 23161), (10925, 23055), (12673, 19875), (13775, 18285), (15105, 16675)]