440873320

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{167}}^1\times {\mathrm{2129}}^1$

素因数の和:2338

約数の個数: 64

約数和(自身を含む): 1030579200

約数和(自身を除く): 589705880

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 167, 248, 310, 334, 620, 668, 835, 1240, 1336, 1670, 2129, 3340, 4258, 5177, 6680, 8516, 10354, 10645, 17032, 20708, 21290, 25885, 41416, 42580, 51770, 65999, 85160, 103540, 131998, 207080, 263996, 329995, 355543, 527992, 659990, 711086, 1319980, 1422172, 1777715, 2639960, 2844344, 3555430, 7110860, 11021833, 14221720, 22043666, 44087332, 55109165, 88174664, 110218330, 220436660, 440873320]

約数ペア:

[(1, 440873320), (2, 220436660), (4, 110218330), (5, 88174664), (8, 55109165), (10, 44087332), (20, 22043666), (31, 14221720), (40, 11021833), (62, 7110860), (124, 3555430), (155, 2844344), (167, 2639960), (248, 1777715), (310, 1422172), (334, 1319980), (620, 711086), (668, 659990), (835, 527992), (1240, 355543), (1336, 329995), (1670, 263996), (2129, 207080), (3340, 131998), (4258, 103540), (5177, 85160), (6680, 65999), (8516, 51770), (10354, 42580), (10645, 41416), (17032, 25885), (20708, 21290)]