354640

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1$

素因数の和:68

約数の個数: 80

約数和(自身を含む): 999936

約数和(自身を除く): 645296

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 31, 40, 44, 52, 55, 62, 65, 80, 88, 104, 110, 124, 130, 143, 155, 176, 208, 220, 248, 260, 286, 310, 341, 403, 440, 496, 520, 572, 620, 682, 715, 806, 880, 1040, 1144, 1240, 1364, 1430, 1612, 1705, 2015, 2288, 2480, 2728, 2860, 3224, 3410, 4030, 4433, 5456, 5720, 6448, 6820, 8060, 8866, 11440, 13640, 16120, 17732, 22165, 27280, 32240, 35464, 44330, 70928, 88660, 177320, 354640]

約数ペア:

[(1, 354640), (2, 177320), (4, 88660), (5, 70928), (8, 44330), (10, 35464), (11, 32240), (13, 27280), (16, 22165), (20, 17732), (22, 16120), (26, 13640), (31, 11440), (40, 8866), (44, 8060), (52, 6820), (55, 6448), (62, 5720), (65, 5456), (80, 4433), (88, 4030), (104, 3410), (110, 3224), (124, 2860), (130, 2728), (143, 2480), (155, 2288), (176, 2015), (208, 1705), (220, 1612), (248, 1430), (260, 1364), (286, 1240), (310, 1144), (341, 1040), (403, 880), (440, 806), (496, 715), (520, 682), (572, 620)]