289460020

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{947}}^1$

素因数の和:1033

約数の個数: 96

約数和(自身を含む): 688020480

約数和(自身を除く): 398560460

約数列:

[1, 2, 4, 5, 10, 17, 20, 29, 31, 34, 58, 62, 68, 85, 116, 124, 145, 155, 170, 290, 310, 340, 493, 527, 580, 620, 899, 947, 986, 1054, 1798, 1894, 1972, 2108, 2465, 2635, 3596, 3788, 4495, 4735, 4930, 5270, 8990, 9470, 9860, 10540, 15283, 16099, 17980, 18940, 27463, 29357, 30566, 32198, 54926, 58714, 61132, 64396, 76415, 80495, 109852, 117428, 137315, 146785, 152830, 160990, 274630, 293570, 305660, 321980, 466871, 499069, 549260, 587140, 851353, 933742, 998138, 1702706, 1867484, 1996276, 2334355, 2495345, 3405412, 4256765, 4668710, 4990690, 8513530, 9337420, 9981380, 14473001, 17027060, 28946002, 57892004, 72365005, 144730010, 289460020]

約数ペア:

[(1, 289460020), (2, 144730010), (4, 72365005), (5, 57892004), (10, 28946002), (17, 17027060), (20, 14473001), (29, 9981380), (31, 9337420), (34, 8513530), (58, 4990690), (62, 4668710), (68, 4256765), (85, 3405412), (116, 2495345), (124, 2334355), (145, 1996276), (155, 1867484), (170, 1702706), (290, 998138), (310, 933742), (340, 851353), (493, 587140), (527, 549260), (580, 499069), (620, 466871), (899, 321980), (947, 305660), (986, 293570), (1054, 274630), (1798, 160990), (1894, 152830), (1972, 146785), (2108, 137315), (2465, 117428), (2635, 109852), (3596, 80495), (3788, 76415), (4495, 64396), (4735, 61132), (4930, 58714), (5270, 54926), (8990, 32198), (9470, 30566), (9860, 29357), (10540, 27463), (15283, 18940), (16099, 17980)]