1284509180

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1\times {\mathrm{359}}^1$

素因数の和:627

約数の個数: 96

約数和(自身を含む): 2903040000

約数和(自身を除く): 1618530820

約数列:

[1, 2, 4, 5, 10, 20, 29, 31, 58, 62, 116, 124, 145, 155, 199, 290, 310, 359, 398, 580, 620, 718, 796, 899, 995, 1436, 1795, 1798, 1990, 3590, 3596, 3980, 4495, 5771, 6169, 7180, 8990, 10411, 11129, 11542, 12338, 17980, 20822, 22258, 23084, 24676, 28855, 30845, 41644, 44516, 52055, 55645, 57710, 61690, 71441, 104110, 111290, 115420, 123380, 142882, 178901, 208220, 222580, 285764, 322741, 357205, 357802, 645482, 714410, 715604, 894505, 1290964, 1428820, 1613705, 1789010, 2071789, 2214671, 3227410, 3578020, 4143578, 4429342, 6454820, 8287156, 8858684, 10358945, 11073355, 20717890, 22146710, 41435780, 44293420, 64225459, 128450918, 256901836, 321127295, 642254590, 1284509180]

約数ペア:

[(1, 1284509180), (2, 642254590), (4, 321127295), (5, 256901836), (10, 128450918), (20, 64225459), (29, 44293420), (31, 41435780), (58, 22146710), (62, 20717890), (116, 11073355), (124, 10358945), (145, 8858684), (155, 8287156), (199, 6454820), (290, 4429342), (310, 4143578), (359, 3578020), (398, 3227410), (580, 2214671), (620, 2071789), (718, 1789010), (796, 1613705), (899, 1428820), (995, 1290964), (1436, 894505), (1795, 715604), (1798, 714410), (1990, 645482), (3590, 357802), (3596, 357205), (3980, 322741), (4495, 285764), (5771, 222580), (6169, 208220), (7180, 178901), (8990, 142882), (10411, 123380), (11129, 115420), (11542, 111290), (12338, 104110), (17980, 71441), (20822, 61690), (22258, 57710), (23084, 55645), (24676, 52055), (28855, 44516), (30845, 41644)]