312989170

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{1361}}^1$

素因数の和:1471

約数の個数: 64

約数和(自身を含む): 638396640

約数和(自身を除く): 325407470

約数列:

[1, 2, 5, 10, 13, 26, 29, 58, 61, 65, 122, 130, 145, 290, 305, 377, 610, 754, 793, 1361, 1586, 1769, 1885, 2722, 3538, 3770, 3965, 6805, 7930, 8845, 13610, 17690, 17693, 22997, 35386, 39469, 45994, 78938, 83021, 88465, 114985, 166042, 176930, 197345, 229970, 394690, 415105, 513097, 830210, 1026194, 1079273, 2158546, 2407609, 2565485, 4815218, 5130970, 5396365, 10792730, 12038045, 24076090, 31298917, 62597834, 156494585, 312989170]

約数ペア:

[(1, 312989170), (2, 156494585), (5, 62597834), (10, 31298917), (13, 24076090), (26, 12038045), (29, 10792730), (58, 5396365), (61, 5130970), (65, 4815218), (122, 2565485), (130, 2407609), (145, 2158546), (290, 1079273), (305, 1026194), (377, 830210), (610, 513097), (754, 415105), (793, 394690), (1361, 229970), (1586, 197345), (1769, 176930), (1885, 166042), (2722, 114985), (3538, 88465), (3770, 83021), (3965, 78938), (6805, 45994), (7930, 39469), (8845, 35386), (13610, 22997), (17690, 17693)]