289384640

素因数分解:

$2^6\times 5^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{271}}^1$

素因数の和:406

約数の個数: 112

約数和(自身を含む): 716304384

約数和(自身を除く): 426919744

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 47, 64, 71, 80, 94, 142, 160, 188, 235, 271, 284, 320, 355, 376, 470, 542, 568, 710, 752, 940, 1084, 1136, 1355, 1420, 1504, 1880, 2168, 2272, 2710, 2840, 3008, 3337, 3760, 4336, 4544, 5420, 5680, 6674, 7520, 8672, 10840, 11360, 12737, 13348, 15040, 16685, 17344, 19241, 21680, 22720, 25474, 26696, 33370, 38482, 43360, 50948, 53392, 63685, 66740, 76964, 86720, 96205, 101896, 106784, 127370, 133480, 153928, 192410, 203792, 213568, 254740, 266960, 307856, 384820, 407584, 509480, 533920, 615712, 769640, 815168, 904327, 1018960, 1067840, 1231424, 1539280, 1808654, 2037920, 3078560, 3617308, 4075840, 4521635, 6157120, 7234616, 9043270, 14469232, 18086540, 28938464, 36173080, 57876928, 72346160, 144692320, 289384640]

約数ペア:

[(1, 289384640), (2, 144692320), (4, 72346160), (5, 57876928), (8, 36173080), (10, 28938464), (16, 18086540), (20, 14469232), (32, 9043270), (40, 7234616), (47, 6157120), (64, 4521635), (71, 4075840), (80, 3617308), (94, 3078560), (142, 2037920), (160, 1808654), (188, 1539280), (235, 1231424), (271, 1067840), (284, 1018960), (320, 904327), (355, 815168), (376, 769640), (470, 615712), (542, 533920), (568, 509480), (710, 407584), (752, 384820), (940, 307856), (1084, 266960), (1136, 254740), (1355, 213568), (1420, 203792), (1504, 192410), (1880, 153928), (2168, 133480), (2272, 127370), (2710, 106784), (2840, 101896), (3008, 96205), (3337, 86720), (3760, 76964), (4336, 66740), (4544, 63685), (5420, 53392), (5680, 50948), (6674, 43360), (7520, 38482), (8672, 33370), (10840, 26696), (11360, 25474), (12737, 22720), (13348, 21680), (15040, 19241), (16685, 17344)]