About the Number

131490990

131490989 ← → 131490991

2進数表記:111110101100110010010101110

漢数字表記:一億三千百四十九万九百九十

素因数分解:

2 1 × 3 2 × 5 1 × 43 1 × 61 1 × 557 1

素因数の和:674
約数の個数: 96
約数和(自身を含む): 356200416
約数和(自身を除く): 224709426

約数列:
[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 43, 45, 61, 86, 90, 122, 129, 183, 215, 258, 305, 366, 387, 430, 549, 557, 610, 645, 774, 915, 1098, 1114, 1290, 1671, 1830, 1935, 2623, 2745, 2785, 3342, 3870, 5013, 5246, 5490, 5570, 7869, 8355, 10026, 13115, 15738, 16710, 23607, 23951, 25065, 26230, 33977, 39345, 47214, 47902, 50130, 67954, 71853, 78690, 101931, 118035, 119755, 143706, 169885, 203862, 215559, 236070, 239510, 305793, 339770, 359265, 431118, 509655, 611586, 718530, 1019310, 1077795, 1461011, 1528965, 2155590, 2922022, 3057930, 4383033, 7305055, 8766066, 13149099, 14610110, 21915165, 26298198, 43830330, 65745495, 131490990]

約数ペア:
[(1, 131490990), (2, 65745495), (3, 43830330), (5, 26298198), (6, 21915165), (9, 14610110), (10, 13149099), (15, 8766066), (18, 7305055), (30, 4383033), (43, 3057930), (45, 2922022), (61, 2155590), (86, 1528965), (90, 1461011), (122, 1077795), (129, 1019310), (183, 718530), (215, 611586), (258, 509655), (305, 431118), (366, 359265), (387, 339770), (430, 305793), (549, 239510), (557, 236070), (610, 215559), (645, 203862), (774, 169885), (915, 143706), (1098, 119755), (1114, 118035), (1290, 101931), (1671, 78690), (1830, 71853), (1935, 67954), (2623, 50130), (2745, 47902), (2785, 47214), (3342, 39345), (3870, 33977), (5013, 26230), (5246, 25065), (5490, 23951), (5570, 23607), (7869, 16710), (8355, 15738), (10026, 13115)]

このpageの処理時間: 0.04170083999633789 seconds