206435340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{557}}^1$

素因数の和:672

約数の個数: 144

約数和(自身を含む): 658082880

約数和(自身を除く): 451647540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 45, 58, 60, 71, 87, 90, 116, 142, 145, 174, 180, 213, 261, 284, 290, 348, 355, 426, 435, 522, 557, 580, 639, 710, 852, 870, 1044, 1065, 1114, 1278, 1305, 1420, 1671, 1740, 2059, 2130, 2228, 2556, 2610, 2785, 3195, 3342, 4118, 4260, 5013, 5220, 5570, 6177, 6390, 6684, 8236, 8355, 10026, 10295, 11140, 12354, 12780, 16153, 16710, 18531, 20052, 20590, 24708, 25065, 30885, 32306, 33420, 37062, 39547, 41180, 48459, 50130, 61770, 64612, 74124, 79094, 80765, 92655, 96918, 100260, 118641, 123540, 145377, 158188, 161530, 185310, 193836, 197735, 237282, 242295, 290754, 323060, 355923, 370620, 395470, 474564, 484590, 581508, 593205, 711846, 726885, 790940, 969180, 1146863, 1186410, 1423692, 1453770, 1779615, 2293726, 2372820, 2907540, 3440589, 3559230, 4587452, 5734315, 6881178, 7118460, 10321767, 11468630, 13762356, 17202945, 20643534, 22937260, 34405890, 41287068, 51608835, 68811780, 103217670, 206435340]

約数ペア:

[(1, 206435340), (2, 103217670), (3, 68811780), (4, 51608835), (5, 41287068), (6, 34405890), (9, 22937260), (10, 20643534), (12, 17202945), (15, 13762356), (18, 11468630), (20, 10321767), (29, 7118460), (30, 6881178), (36, 5734315), (45, 4587452), (58, 3559230), (60, 3440589), (71, 2907540), (87, 2372820), (90, 2293726), (116, 1779615), (142, 1453770), (145, 1423692), (174, 1186410), (180, 1146863), (213, 969180), (261, 790940), (284, 726885), (290, 711846), (348, 593205), (355, 581508), (426, 484590), (435, 474564), (522, 395470), (557, 370620), (580, 355923), (639, 323060), (710, 290754), (852, 242295), (870, 237282), (1044, 197735), (1065, 193836), (1114, 185310), (1278, 161530), (1305, 158188), (1420, 145377), (1671, 123540), (1740, 118641), (2059, 100260), (2130, 96918), (2228, 92655), (2556, 80765), (2610, 79094), (2785, 74124), (3195, 64612), (3342, 61770), (4118, 50130), (4260, 48459), (5013, 41180), (5220, 39547), (5570, 37062), (6177, 33420), (6390, 32306), (6684, 30885), (8236, 25065), (8355, 24708), (10026, 20590), (10295, 20052), (11140, 18531), (12354, 16710), (12780, 16153)]