245551250

素因数分解:

$2^1\times 5^4\times 7^2\times {\mathrm{19}}^1\times {\mathrm{211}}^1$

素因数の和:266

約数の個数: 120

約数和(自身を含む): 566256240

約数和(自身を除く): 320704990

約数列:

[1, 2, 5, 7, 10, 14, 19, 25, 35, 38, 49, 50, 70, 95, 98, 125, 133, 175, 190, 211, 245, 250, 266, 350, 422, 475, 490, 625, 665, 875, 931, 950, 1055, 1225, 1250, 1330, 1477, 1750, 1862, 2110, 2375, 2450, 2954, 3325, 4009, 4375, 4655, 4750, 5275, 6125, 6650, 7385, 8018, 8750, 9310, 10339, 10550, 11875, 12250, 14770, 16625, 20045, 20678, 23275, 23750, 26375, 28063, 30625, 33250, 36925, 40090, 46550, 51695, 52750, 56126, 61250, 73850, 83125, 100225, 103390, 116375, 131875, 140315, 166250, 184625, 196441, 200450, 232750, 258475, 263750, 280630, 369250, 392882, 501125, 516950, 581875, 701575, 923125, 982205, 1002250, 1163750, 1292375, 1403150, 1846250, 1964410, 2505625, 2584750, 3507875, 4911025, 5011250, 6461875, 7015750, 9822050, 12923750, 17539375, 24555125, 35078750, 49110250, 122775625, 245551250]

約数ペア:

[(1, 245551250), (2, 122775625), (5, 49110250), (7, 35078750), (10, 24555125), (14, 17539375), (19, 12923750), (25, 9822050), (35, 7015750), (38, 6461875), (49, 5011250), (50, 4911025), (70, 3507875), (95, 2584750), (98, 2505625), (125, 1964410), (133, 1846250), (175, 1403150), (190, 1292375), (211, 1163750), (245, 1002250), (250, 982205), (266, 923125), (350, 701575), (422, 581875), (475, 516950), (490, 501125), (625, 392882), (665, 369250), (875, 280630), (931, 263750), (950, 258475), (1055, 232750), (1225, 200450), (1250, 196441), (1330, 184625), (1477, 166250), (1750, 140315), (1862, 131875), (2110, 116375), (2375, 103390), (2450, 100225), (2954, 83125), (3325, 73850), (4009, 61250), (4375, 56126), (4655, 52750), (4750, 51695), (5275, 46550), (6125, 40090), (6650, 36925), (7385, 33250), (8018, 30625), (8750, 28063), (9310, 26375), (10339, 23750), (10550, 23275), (11875, 20678), (12250, 20045), (14770, 16625)]