208184940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{31259}}^1$

素因数の和:31311

約数の個数: 72

約数和(自身を含む): 648582480

約数和(自身を除く): 440397540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 37, 45, 60, 74, 90, 111, 148, 180, 185, 222, 333, 370, 444, 555, 666, 740, 1110, 1332, 1665, 2220, 3330, 6660, 31259, 62518, 93777, 125036, 156295, 187554, 281331, 312590, 375108, 468885, 562662, 625180, 937770, 1125324, 1156583, 1406655, 1875540, 2313166, 2813310, 3469749, 4626332, 5626620, 5782915, 6939498, 10409247, 11565830, 13878996, 17348745, 20818494, 23131660, 34697490, 41636988, 52046235, 69394980, 104092470, 208184940]

約数ペア:

[(1, 208184940), (2, 104092470), (3, 69394980), (4, 52046235), (5, 41636988), (6, 34697490), (9, 23131660), (10, 20818494), (12, 17348745), (15, 13878996), (18, 11565830), (20, 10409247), (30, 6939498), (36, 5782915), (37, 5626620), (45, 4626332), (60, 3469749), (74, 2813310), (90, 2313166), (111, 1875540), (148, 1406655), (180, 1156583), (185, 1125324), (222, 937770), (333, 625180), (370, 562662), (444, 468885), (555, 375108), (666, 312590), (740, 281331), (1110, 187554), (1332, 156295), (1665, 125036), (2220, 93777), (3330, 62518), (6660, 31259)]