90909390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{21191}}^1$

素因数の和:21225

約数の個数: 64

約数和(自身を含む): 256338432

約数和(自身を除く): 165429042

約数列:

[1, 2, 3, 5, 6, 10, 11, 13, 15, 22, 26, 30, 33, 39, 55, 65, 66, 78, 110, 130, 143, 165, 195, 286, 330, 390, 429, 715, 858, 1430, 2145, 4290, 21191, 42382, 63573, 105955, 127146, 211910, 233101, 275483, 317865, 466202, 550966, 635730, 699303, 826449, 1165505, 1377415, 1398606, 1652898, 2331010, 2754830, 3030313, 3496515, 4132245, 6060626, 6993030, 8264490, 9090939, 15151565, 18181878, 30303130, 45454695, 90909390]

約数ペア:

[(1, 90909390), (2, 45454695), (3, 30303130), (5, 18181878), (6, 15151565), (10, 9090939), (11, 8264490), (13, 6993030), (15, 6060626), (22, 4132245), (26, 3496515), (30, 3030313), (33, 2754830), (39, 2331010), (55, 1652898), (65, 1398606), (66, 1377415), (78, 1165505), (110, 826449), (130, 699303), (143, 635730), (165, 550966), (195, 466202), (286, 317865), (330, 275483), (390, 233101), (429, 211910), (715, 127146), (858, 105955), (1430, 63573), (2145, 42382), (4290, 21191)]