7374940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{199}}^1$

素因数の和:334

約数の個数: 48

約数和(自身を含む): 16632000

約数和(自身を除く): 9257060

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 109, 170, 199, 218, 340, 398, 436, 545, 796, 995, 1090, 1853, 1990, 2180, 3383, 3706, 3980, 6766, 7412, 9265, 13532, 16915, 18530, 21691, 33830, 37060, 43382, 67660, 86764, 108455, 216910, 368747, 433820, 737494, 1474988, 1843735, 3687470, 7374940]

約数ペア:

[(1, 7374940), (2, 3687470), (4, 1843735), (5, 1474988), (10, 737494), (17, 433820), (20, 368747), (34, 216910), (68, 108455), (85, 86764), (109, 67660), (170, 43382), (199, 37060), (218, 33830), (340, 21691), (398, 18530), (436, 16915), (545, 13532), (796, 9265), (995, 7412), (1090, 6766), (1853, 3980), (1990, 3706), (2180, 3383)]