396268040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{643}}^1$

素因数の和:763

約数の個数: 128

約数和(自身を含む): 1068318720

約数和(自身を除く): 672050680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 71, 124, 140, 142, 155, 217, 248, 280, 284, 310, 355, 434, 497, 568, 620, 643, 710, 868, 994, 1085, 1240, 1286, 1420, 1736, 1988, 2170, 2201, 2485, 2572, 2840, 3215, 3976, 4340, 4402, 4501, 4970, 5144, 6430, 8680, 8804, 9002, 9940, 11005, 12860, 15407, 17608, 18004, 19880, 19933, 22010, 22505, 25720, 30814, 36008, 39866, 44020, 45010, 45653, 61628, 77035, 79732, 88040, 90020, 91306, 99665, 123256, 139531, 154070, 159464, 180040, 182612, 199330, 228265, 279062, 308140, 319571, 365224, 398660, 456530, 558124, 616280, 639142, 697655, 797320, 913060, 1116248, 1278284, 1395310, 1415243, 1597855, 1826120, 2556568, 2790620, 2830486, 3195710, 5581240, 5660972, 6391420, 7076215, 9906701, 11321944, 12782840, 14152430, 19813402, 28304860, 39626804, 49533505, 56609720, 79253608, 99067010, 198134020, 396268040]

約数ペア:

[(1, 396268040), (2, 198134020), (4, 99067010), (5, 79253608), (7, 56609720), (8, 49533505), (10, 39626804), (14, 28304860), (20, 19813402), (28, 14152430), (31, 12782840), (35, 11321944), (40, 9906701), (56, 7076215), (62, 6391420), (70, 5660972), (71, 5581240), (124, 3195710), (140, 2830486), (142, 2790620), (155, 2556568), (217, 1826120), (248, 1597855), (280, 1415243), (284, 1395310), (310, 1278284), (355, 1116248), (434, 913060), (497, 797320), (568, 697655), (620, 639142), (643, 616280), (710, 558124), (868, 456530), (994, 398660), (1085, 365224), (1240, 319571), (1286, 308140), (1420, 279062), (1736, 228265), (1988, 199330), (2170, 182612), (2201, 180040), (2485, 159464), (2572, 154070), (2840, 139531), (3215, 123256), (3976, 99665), (4340, 91306), (4402, 90020), (4501, 88040), (4970, 79732), (5144, 77035), (6430, 61628), (8680, 45653), (8804, 45010), (9002, 44020), (9940, 39866), (11005, 36008), (12860, 30814), (15407, 25720), (17608, 22505), (18004, 22010), (19880, 19933)]