254454980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{2503}}^1$

素因数の和:2565

約数の個数: 96

約数和(自身を含む): 636056064

約数和(自身を除く): 381601084

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 23, 26, 34, 46, 52, 65, 68, 85, 92, 115, 130, 170, 221, 230, 260, 299, 340, 391, 442, 460, 598, 782, 884, 1105, 1196, 1495, 1564, 1955, 2210, 2503, 2990, 3910, 4420, 5006, 5083, 5980, 7820, 10012, 10166, 12515, 20332, 25030, 25415, 32539, 42551, 50060, 50830, 57569, 65078, 85102, 101660, 115138, 130156, 162695, 170204, 212755, 230276, 287845, 325390, 425510, 553163, 575690, 650780, 748397, 851020, 978673, 1106326, 1151380, 1496794, 1957346, 2212652, 2765815, 2993588, 3741985, 3914692, 4893365, 5531630, 7483970, 9786730, 11063260, 12722749, 14967940, 19573460, 25445498, 50890996, 63613745, 127227490, 254454980]

約数ペア:

[(1, 254454980), (2, 127227490), (4, 63613745), (5, 50890996), (10, 25445498), (13, 19573460), (17, 14967940), (20, 12722749), (23, 11063260), (26, 9786730), (34, 7483970), (46, 5531630), (52, 4893365), (65, 3914692), (68, 3741985), (85, 2993588), (92, 2765815), (115, 2212652), (130, 1957346), (170, 1496794), (221, 1151380), (230, 1106326), (260, 978673), (299, 851020), (340, 748397), (391, 650780), (442, 575690), (460, 553163), (598, 425510), (782, 325390), (884, 287845), (1105, 230276), (1196, 212755), (1495, 170204), (1564, 162695), (1955, 130156), (2210, 115138), (2503, 101660), (2990, 85102), (3910, 65078), (4420, 57569), (5006, 50830), (5083, 50060), (5980, 42551), (7820, 32539), (10012, 25415), (10166, 25030), (12515, 20332)]