39423440

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{89}}^1\times {\mathrm{113}}^1$

素因数の和:229

約数の個数: 120

約数和(自身を含む): 108776520

約数和(自身を除く): 69353080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 89, 98, 112, 113, 140, 178, 196, 226, 245, 280, 356, 392, 445, 452, 490, 560, 565, 623, 712, 784, 791, 890, 904, 980, 1130, 1246, 1424, 1582, 1780, 1808, 1960, 2260, 2492, 3115, 3164, 3560, 3920, 3955, 4361, 4520, 4984, 5537, 6230, 6328, 7120, 7910, 8722, 9040, 9968, 10057, 11074, 12460, 12656, 15820, 17444, 20114, 21805, 22148, 24920, 27685, 31640, 34888, 40228, 43610, 44296, 49840, 50285, 55370, 63280, 69776, 70399, 80456, 87220, 88592, 100570, 110740, 140798, 160912, 174440, 201140, 221480, 281596, 348880, 351995, 402280, 442960, 492793, 563192, 703990, 804560, 985586, 1126384, 1407980, 1971172, 2463965, 2815960, 3942344, 4927930, 5631920, 7884688, 9855860, 19711720, 39423440]

約数ペア:

[(1, 39423440), (2, 19711720), (4, 9855860), (5, 7884688), (7, 5631920), (8, 4927930), (10, 3942344), (14, 2815960), (16, 2463965), (20, 1971172), (28, 1407980), (35, 1126384), (40, 985586), (49, 804560), (56, 703990), (70, 563192), (80, 492793), (89, 442960), (98, 402280), (112, 351995), (113, 348880), (140, 281596), (178, 221480), (196, 201140), (226, 174440), (245, 160912), (280, 140798), (356, 110740), (392, 100570), (445, 88592), (452, 87220), (490, 80456), (560, 70399), (565, 69776), (623, 63280), (712, 55370), (784, 50285), (791, 49840), (890, 44296), (904, 43610), (980, 40228), (1130, 34888), (1246, 31640), (1424, 27685), (1582, 24920), (1780, 22148), (1808, 21805), (1960, 20114), (2260, 17444), (2492, 15820), (3115, 12656), (3164, 12460), (3560, 11074), (3920, 10057), (3955, 9968), (4361, 9040), (4520, 8722), (4984, 7910), (5537, 7120), (6230, 6328)]