420647550

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{131}}^1\times {\mathrm{21407}}^1$

素因数の和:21553

約数の個数: 48

約数和(自身を含む): 1051218432

約数和(自身を除く): 630570882

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 131, 150, 262, 393, 655, 786, 1310, 1965, 3275, 3930, 6550, 9825, 19650, 21407, 42814, 64221, 107035, 128442, 214070, 321105, 535175, 642210, 1070350, 1605525, 2804317, 3211050, 5608634, 8412951, 14021585, 16825902, 28043170, 42064755, 70107925, 84129510, 140215850, 210323775, 420647550]

約数ペア:

[(1, 420647550), (2, 210323775), (3, 140215850), (5, 84129510), (6, 70107925), (10, 42064755), (15, 28043170), (25, 16825902), (30, 14021585), (50, 8412951), (75, 5608634), (131, 3211050), (150, 2804317), (262, 1605525), (393, 1070350), (655, 642210), (786, 535175), (1310, 321105), (1965, 214070), (3275, 128442), (3930, 107035), (6550, 64221), (9825, 42814), (19650, 21407)]