11278900

素因数分解:

$2^2\times 5^2\times {\mathrm{43}}^2\times {\mathrm{61}}^1$

素因数の和:161

約数の個数: 54

約数和(自身を含む): 25468422

約数和(自身を除く): 14189522

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 61, 86, 100, 122, 172, 215, 244, 305, 430, 610, 860, 1075, 1220, 1525, 1849, 2150, 2623, 3050, 3698, 4300, 5246, 6100, 7396, 9245, 10492, 13115, 18490, 26230, 36980, 46225, 52460, 65575, 92450, 112789, 131150, 184900, 225578, 262300, 451156, 563945, 1127890, 2255780, 2819725, 5639450, 11278900]

約数ペア:

[(1, 11278900), (2, 5639450), (4, 2819725), (5, 2255780), (10, 1127890), (20, 563945), (25, 451156), (43, 262300), (50, 225578), (61, 184900), (86, 131150), (100, 112789), (122, 92450), (172, 65575), (215, 52460), (244, 46225), (305, 36980), (430, 26230), (610, 18490), (860, 13115), (1075, 10492), (1220, 9245), (1525, 7396), (1849, 6100), (2150, 5246), (2623, 4300), (3050, 3698)]