211691220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{2137}}^1$

素因数の和:2289

約数の個数: 96

約数和(自身を含む): 643657728

約数和(自身を除く): 431966508

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 127, 130, 156, 195, 254, 260, 381, 390, 508, 635, 762, 780, 1270, 1524, 1651, 1905, 2137, 2540, 3302, 3810, 4274, 4953, 6411, 6604, 7620, 8255, 8548, 9906, 10685, 12822, 16510, 19812, 21370, 24765, 25644, 27781, 32055, 33020, 42740, 49530, 55562, 64110, 83343, 99060, 111124, 128220, 138905, 166686, 271399, 277810, 333372, 416715, 542798, 555620, 814197, 833430, 1085596, 1356995, 1628394, 1666860, 2713990, 3256788, 3528187, 4070985, 5427980, 7056374, 8141970, 10584561, 14112748, 16283940, 17640935, 21169122, 35281870, 42338244, 52922805, 70563740, 105845610, 211691220]

約数ペア:

[(1, 211691220), (2, 105845610), (3, 70563740), (4, 52922805), (5, 42338244), (6, 35281870), (10, 21169122), (12, 17640935), (13, 16283940), (15, 14112748), (20, 10584561), (26, 8141970), (30, 7056374), (39, 5427980), (52, 4070985), (60, 3528187), (65, 3256788), (78, 2713990), (127, 1666860), (130, 1628394), (156, 1356995), (195, 1085596), (254, 833430), (260, 814197), (381, 555620), (390, 542798), (508, 416715), (635, 333372), (762, 277810), (780, 271399), (1270, 166686), (1524, 138905), (1651, 128220), (1905, 111124), (2137, 99060), (2540, 83343), (3302, 64110), (3810, 55562), (4274, 49530), (4953, 42740), (6411, 33020), (6604, 32055), (7620, 27781), (8255, 25644), (8548, 24765), (9906, 21370), (10685, 19812), (12822, 16510)]