348745040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{20089}}^1$

素因数の和:20140

約数の個数: 80

約数和(自身を含む): 956605440

約数和(自身を除く): 607860400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 80, 112, 124, 140, 155, 217, 248, 280, 310, 434, 496, 560, 620, 868, 1085, 1240, 1736, 2170, 2480, 3472, 4340, 8680, 17360, 20089, 40178, 80356, 100445, 140623, 160712, 200890, 281246, 321424, 401780, 562492, 622759, 703115, 803560, 1124984, 1245518, 1406230, 1607120, 2249968, 2491036, 2812460, 3113795, 4359313, 4982072, 5624920, 6227590, 8718626, 9964144, 11249840, 12455180, 17437252, 21796565, 24910360, 34874504, 43593130, 49820720, 69749008, 87186260, 174372520, 348745040]

約数ペア:

[(1, 348745040), (2, 174372520), (4, 87186260), (5, 69749008), (7, 49820720), (8, 43593130), (10, 34874504), (14, 24910360), (16, 21796565), (20, 17437252), (28, 12455180), (31, 11249840), (35, 9964144), (40, 8718626), (56, 6227590), (62, 5624920), (70, 4982072), (80, 4359313), (112, 3113795), (124, 2812460), (140, 2491036), (155, 2249968), (217, 1607120), (248, 1406230), (280, 1245518), (310, 1124984), (434, 803560), (496, 703115), (560, 622759), (620, 562492), (868, 401780), (1085, 321424), (1240, 281246), (1736, 200890), (2170, 160712), (2480, 140623), (3472, 100445), (4340, 80356), (8680, 40178), (17360, 20089)]