278278260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{1811}}^1$

素因数の和:2033

約数の個数: 96

約数和(自身を含む): 843841152

約数和(自身を除く): 565562892

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 197, 260, 390, 394, 591, 780, 788, 985, 1182, 1811, 1970, 2364, 2561, 2955, 3622, 3940, 5122, 5433, 5910, 7244, 7683, 9055, 10244, 10866, 11820, 12805, 15366, 18110, 21732, 23543, 25610, 27165, 30732, 36220, 38415, 47086, 51220, 54330, 70629, 76830, 94172, 108660, 117715, 141258, 153660, 235430, 282516, 353145, 356767, 470860, 706290, 713534, 1070301, 1412580, 1427068, 1783835, 2140602, 3567670, 4281204, 4637971, 5351505, 7135340, 9275942, 10703010, 13913913, 18551884, 21406020, 23189855, 27827826, 46379710, 55655652, 69569565, 92759420, 139139130, 278278260]

約数ペア:

[(1, 278278260), (2, 139139130), (3, 92759420), (4, 69569565), (5, 55655652), (6, 46379710), (10, 27827826), (12, 23189855), (13, 21406020), (15, 18551884), (20, 13913913), (26, 10703010), (30, 9275942), (39, 7135340), (52, 5351505), (60, 4637971), (65, 4281204), (78, 3567670), (130, 2140602), (156, 1783835), (195, 1427068), (197, 1412580), (260, 1070301), (390, 713534), (394, 706290), (591, 470860), (780, 356767), (788, 353145), (985, 282516), (1182, 235430), (1811, 153660), (1970, 141258), (2364, 117715), (2561, 108660), (2955, 94172), (3622, 76830), (3940, 70629), (5122, 54330), (5433, 51220), (5910, 47086), (7244, 38415), (7683, 36220), (9055, 30732), (10244, 27165), (10866, 25610), (11820, 23543), (12805, 21732), (15366, 18110)]