90231988

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{907}}^1$

素因数の和:965

約数の個数: 96

約数和(自身を含む): 219663360

約数和(自身を除く): 129431372

約数列:

[1, 2, 4, 7, 11, 14, 17, 19, 22, 28, 34, 38, 44, 68, 76, 77, 119, 133, 154, 187, 209, 238, 266, 308, 323, 374, 418, 476, 532, 646, 748, 836, 907, 1292, 1309, 1463, 1814, 2261, 2618, 2926, 3553, 3628, 4522, 5236, 5852, 6349, 7106, 9044, 9977, 12698, 14212, 15419, 17233, 19954, 24871, 25396, 30838, 34466, 39908, 49742, 61676, 68932, 69839, 99484, 107933, 120631, 139678, 169609, 189563, 215866, 241262, 279356, 292961, 339218, 379126, 431732, 482524, 585922, 678436, 758252, 1171844, 1187263, 1326941, 2050727, 2374526, 2653882, 3222571, 4101454, 4749052, 5307764, 6445142, 8202908, 12890284, 22557997, 45115994, 90231988]

約数ペア:

[(1, 90231988), (2, 45115994), (4, 22557997), (7, 12890284), (11, 8202908), (14, 6445142), (17, 5307764), (19, 4749052), (22, 4101454), (28, 3222571), (34, 2653882), (38, 2374526), (44, 2050727), (68, 1326941), (76, 1187263), (77, 1171844), (119, 758252), (133, 678436), (154, 585922), (187, 482524), (209, 431732), (238, 379126), (266, 339218), (308, 292961), (323, 279356), (374, 241262), (418, 215866), (476, 189563), (532, 169609), (646, 139678), (748, 120631), (836, 107933), (907, 99484), (1292, 69839), (1309, 68932), (1463, 61676), (1814, 49742), (2261, 39908), (2618, 34466), (2926, 30838), (3553, 25396), (3628, 24871), (4522, 19954), (5236, 17233), (5852, 15419), (6349, 14212), (7106, 12698), (9044, 9977)]