28901970

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{4523}}^1$

素因数の和:4607

約数の個数: 48

約数和(自身を含む): 76220352

約数和(自身を除く): 47318382

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 71, 90, 142, 213, 355, 426, 639, 710, 1065, 1278, 2130, 3195, 4523, 6390, 9046, 13569, 22615, 27138, 40707, 45230, 67845, 81414, 135690, 203535, 321133, 407070, 642266, 963399, 1605665, 1926798, 2890197, 3211330, 4816995, 5780394, 9633990, 14450985, 28901970]

約数ペア:

[(1, 28901970), (2, 14450985), (3, 9633990), (5, 5780394), (6, 4816995), (9, 3211330), (10, 2890197), (15, 1926798), (18, 1605665), (30, 963399), (45, 642266), (71, 407070), (90, 321133), (142, 203535), (213, 135690), (355, 81414), (426, 67845), (639, 45230), (710, 40707), (1065, 27138), (1278, 22615), (2130, 13569), (3195, 9046), (4523, 6390)]