239922020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{103}}^1$

素因数の和:190

約数の個数: 144

約数和(自身を含む): 600757248

約数和(自身を除く): 360835228

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 31, 34, 52, 62, 65, 68, 85, 103, 124, 130, 155, 170, 206, 221, 260, 289, 310, 340, 403, 412, 442, 515, 527, 578, 620, 806, 884, 1030, 1054, 1105, 1156, 1339, 1445, 1612, 1751, 2015, 2060, 2108, 2210, 2635, 2678, 2890, 3193, 3502, 3757, 4030, 4420, 5270, 5356, 5780, 6386, 6695, 6851, 7004, 7514, 8060, 8755, 8959, 10540, 12772, 13390, 13702, 15028, 15965, 17510, 17918, 18785, 22763, 26780, 27404, 29767, 31930, 34255, 35020, 35836, 37570, 41509, 44795, 45526, 54281, 59534, 63860, 68510, 75140, 83018, 89590, 91052, 108562, 113815, 116467, 119068, 137020, 148835, 166036, 179180, 207545, 217124, 227630, 232934, 271405, 297670, 386971, 415090, 455260, 465868, 542810, 582335, 595340, 705653, 773942, 830180, 922777, 1085620, 1164670, 1411306, 1547884, 1845554, 1934855, 2329340, 2822612, 3528265, 3691108, 3869710, 4613885, 7056530, 7739420, 9227770, 11996101, 14113060, 18455540, 23992202, 47984404, 59980505, 119961010, 239922020]

約数ペア:

[(1, 239922020), (2, 119961010), (4, 59980505), (5, 47984404), (10, 23992202), (13, 18455540), (17, 14113060), (20, 11996101), (26, 9227770), (31, 7739420), (34, 7056530), (52, 4613885), (62, 3869710), (65, 3691108), (68, 3528265), (85, 2822612), (103, 2329340), (124, 1934855), (130, 1845554), (155, 1547884), (170, 1411306), (206, 1164670), (221, 1085620), (260, 922777), (289, 830180), (310, 773942), (340, 705653), (403, 595340), (412, 582335), (442, 542810), (515, 465868), (527, 455260), (578, 415090), (620, 386971), (806, 297670), (884, 271405), (1030, 232934), (1054, 227630), (1105, 217124), (1156, 207545), (1339, 179180), (1445, 166036), (1612, 148835), (1751, 137020), (2015, 119068), (2060, 116467), (2108, 113815), (2210, 108562), (2635, 91052), (2678, 89590), (2890, 83018), (3193, 75140), (3502, 68510), (3757, 63860), (4030, 59534), (4420, 54281), (5270, 45526), (5356, 44795), (5780, 41509), (6386, 37570), (6695, 35836), (6851, 35020), (7004, 34255), (7514, 31930), (8060, 29767), (8755, 27404), (8959, 26780), (10540, 22763), (12772, 18785), (13390, 17918), (13702, 17510), (15028, 15965)]