346263980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{199}}^1\times {\mathrm{241}}^1$

素因数の和:487

約数の個数: 72

約数和(自身を含む): 774496800

約数和(自身を除く): 428232820

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 199, 241, 361, 380, 398, 482, 722, 796, 964, 995, 1205, 1444, 1805, 1990, 2410, 3610, 3781, 3980, 4579, 4820, 7220, 7562, 9158, 15124, 18316, 18905, 22895, 37810, 45790, 47959, 71839, 75620, 87001, 91580, 95918, 143678, 174002, 191836, 239795, 287356, 348004, 359195, 435005, 479590, 718390, 870010, 911221, 959180, 1436780, 1740020, 1822442, 3644884, 4556105, 9112210, 17313199, 18224420, 34626398, 69252796, 86565995, 173131990, 346263980]

約数ペア:

[(1, 346263980), (2, 173131990), (4, 86565995), (5, 69252796), (10, 34626398), (19, 18224420), (20, 17313199), (38, 9112210), (76, 4556105), (95, 3644884), (190, 1822442), (199, 1740020), (241, 1436780), (361, 959180), (380, 911221), (398, 870010), (482, 718390), (722, 479590), (796, 435005), (964, 359195), (995, 348004), (1205, 287356), (1444, 239795), (1805, 191836), (1990, 174002), (2410, 143678), (3610, 95918), (3781, 91580), (3980, 87001), (4579, 75620), (4820, 71839), (7220, 47959), (7562, 45790), (9158, 37810), (15124, 22895), (18316, 18905)]