1867330900

素因数分解:

$2^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{239}}^1$

素因数の和:398

約数の個数: 144

約数和(自身を含む): 4399718400

約数和(自身を除く): 2532387500

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 43, 46, 50, 79, 86, 92, 100, 115, 158, 172, 215, 230, 239, 316, 395, 430, 460, 478, 575, 790, 860, 956, 989, 1075, 1150, 1195, 1580, 1817, 1975, 1978, 2150, 2300, 2390, 3397, 3634, 3950, 3956, 4300, 4780, 4945, 5497, 5975, 6794, 7268, 7900, 9085, 9890, 10277, 10994, 11950, 13588, 16985, 18170, 18881, 19780, 20554, 21988, 23900, 24725, 27485, 33970, 36340, 37762, 41108, 45425, 49450, 51385, 54970, 67940, 75524, 78131, 84925, 90850, 94405, 98900, 102770, 109940, 137425, 156262, 169850, 181700, 188810, 205540, 236371, 256925, 274850, 312524, 339700, 377620, 390655, 434263, 472025, 472742, 513850, 549700, 781310, 811883, 868526, 944050, 945484, 1027700, 1181855, 1562620, 1623766, 1737052, 1888100, 1953275, 2171315, 2363710, 3247532, 3906550, 4059415, 4342630, 4727420, 5909275, 7813100, 8118830, 8685260, 10856575, 11818550, 16237660, 18673309, 20297075, 21713150, 23637100, 37346618, 40594150, 43426300, 74693236, 81188300, 93366545, 186733090, 373466180, 466832725, 933665450, 1867330900]

約数ペア:

[(1, 1867330900), (2, 933665450), (4, 466832725), (5, 373466180), (10, 186733090), (20, 93366545), (23, 81188300), (25, 74693236), (43, 43426300), (46, 40594150), (50, 37346618), (79, 23637100), (86, 21713150), (92, 20297075), (100, 18673309), (115, 16237660), (158, 11818550), (172, 10856575), (215, 8685260), (230, 8118830), (239, 7813100), (316, 5909275), (395, 4727420), (430, 4342630), (460, 4059415), (478, 3906550), (575, 3247532), (790, 2363710), (860, 2171315), (956, 1953275), (989, 1888100), (1075, 1737052), (1150, 1623766), (1195, 1562620), (1580, 1181855), (1817, 1027700), (1975, 945484), (1978, 944050), (2150, 868526), (2300, 811883), (2390, 781310), (3397, 549700), (3634, 513850), (3950, 472742), (3956, 472025), (4300, 434263), (4780, 390655), (4945, 377620), (5497, 339700), (5975, 312524), (6794, 274850), (7268, 256925), (7900, 236371), (9085, 205540), (9890, 188810), (10277, 181700), (10994, 169850), (11950, 156262), (13588, 137425), (16985, 109940), (18170, 102770), (18881, 98900), (19780, 94405), (20554, 90850), (21988, 84925), (23900, 78131), (24725, 75524), (27485, 67940), (33970, 54970), (36340, 51385), (37762, 49450), (41108, 45425)]