81444970150

素因数分解:

$2^1\times 5^2\times {\mathrm{53}}^1\times {\mathrm{439}}^1\times {\mathrm{70009}}^1$

素因数の和:70513

約数の個数: 48

約数和(自身を含む): 154699696800

約数和(自身を除く): 73254726650

約数列:

[1, 2, 5, 10, 25, 50, 53, 106, 265, 439, 530, 878, 1325, 2195, 2650, 4390, 10975, 21950, 23267, 46534, 70009, 116335, 140018, 232670, 350045, 581675, 700090, 1163350, 1750225, 3500450, 3710477, 7420954, 18552385, 30733951, 37104770, 61467902, 92761925, 153669755, 185523850, 307339510, 768348775, 1536697550, 1628899403, 3257798806, 8144497015, 16288994030, 40722485075, 81444970150]

約数ペア:

[(1, 81444970150), (2, 40722485075), (5, 16288994030), (10, 8144497015), (25, 3257798806), (50, 1628899403), (53, 1536697550), (106, 768348775), (265, 307339510), (439, 185523850), (530, 153669755), (878, 92761925), (1325, 61467902), (2195, 37104770), (2650, 30733951), (4390, 18552385), (10975, 7420954), (21950, 3710477), (23267, 3500450), (46534, 1750225), (70009, 1163350), (116335, 700090), (140018, 581675), (232670, 350045)]