181509770

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{487}}^1$

素因数の和:615

約数の個数: 64

約数和(自身を含む): 365976576

約数和(自身を除く): 184466806

約数列:

[1, 2, 5, 10, 13, 26, 47, 61, 65, 94, 122, 130, 235, 305, 470, 487, 610, 611, 793, 974, 1222, 1586, 2435, 2867, 3055, 3965, 4870, 5734, 6110, 6331, 7930, 12662, 14335, 22889, 28670, 29707, 31655, 37271, 45778, 59414, 63310, 74542, 114445, 148535, 186355, 228890, 297070, 297557, 372710, 386191, 595114, 772382, 1396229, 1487785, 1930955, 2792458, 2975570, 3861910, 6981145, 13962290, 18150977, 36301954, 90754885, 181509770]

約数ペア:

[(1, 181509770), (2, 90754885), (5, 36301954), (10, 18150977), (13, 13962290), (26, 6981145), (47, 3861910), (61, 2975570), (65, 2792458), (94, 1930955), (122, 1487785), (130, 1396229), (235, 772382), (305, 595114), (470, 386191), (487, 372710), (610, 297557), (611, 297070), (793, 228890), (974, 186355), (1222, 148535), (1586, 114445), (2435, 74542), (2867, 63310), (3055, 59414), (3965, 45778), (4870, 37271), (5734, 31655), (6110, 29707), (6331, 28670), (7930, 22889), (12662, 14335)]