28451250

素因数分解:

$2^1\times 3^4\times 5^4\times {\mathrm{281}}^1$

素因数の和:315

約数の個数: 100

約数和(自身を含む): 79947846

約数和(自身を除く): 51496596

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 27, 30, 45, 50, 54, 75, 81, 90, 125, 135, 150, 162, 225, 250, 270, 281, 375, 405, 450, 562, 625, 675, 750, 810, 843, 1125, 1250, 1350, 1405, 1686, 1875, 2025, 2250, 2529, 2810, 3375, 3750, 4050, 4215, 5058, 5625, 6750, 7025, 7587, 8430, 10125, 11250, 12645, 14050, 15174, 16875, 20250, 21075, 22761, 25290, 33750, 35125, 37935, 42150, 45522, 50625, 63225, 70250, 75870, 101250, 105375, 113805, 126450, 175625, 189675, 210750, 227610, 316125, 351250, 379350, 526875, 569025, 632250, 948375, 1053750, 1138050, 1580625, 1896750, 2845125, 3161250, 4741875, 5690250, 9483750, 14225625, 28451250]

約数ペア:

[(1, 28451250), (2, 14225625), (3, 9483750), (5, 5690250), (6, 4741875), (9, 3161250), (10, 2845125), (15, 1896750), (18, 1580625), (25, 1138050), (27, 1053750), (30, 948375), (45, 632250), (50, 569025), (54, 526875), (75, 379350), (81, 351250), (90, 316125), (125, 227610), (135, 210750), (150, 189675), (162, 175625), (225, 126450), (250, 113805), (270, 105375), (281, 101250), (375, 75870), (405, 70250), (450, 63225), (562, 50625), (625, 45522), (675, 42150), (750, 37935), (810, 35125), (843, 33750), (1125, 25290), (1250, 22761), (1350, 21075), (1405, 20250), (1686, 16875), (1875, 15174), (2025, 14050), (2250, 12645), (2529, 11250), (2810, 10125), (3375, 8430), (3750, 7587), (4050, 7025), (4215, 6750), (5058, 5625)]