7912263920

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{290039}}^1$

素因数の和:290094

約数の個数: 80

約数和(自身を含む): 20715816960

約数和(自身を除く): 12803553040

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 40, 44, 55, 62, 80, 88, 110, 124, 155, 176, 220, 248, 310, 341, 440, 496, 620, 682, 880, 1240, 1364, 1705, 2480, 2728, 3410, 5456, 6820, 13640, 27280, 290039, 580078, 1160156, 1450195, 2320312, 2900390, 3190429, 4640624, 5800780, 6380858, 8991209, 11601560, 12761716, 15952145, 17982418, 23203120, 25523432, 31904290, 35964836, 44956045, 51046864, 63808580, 71929672, 89912090, 98903299, 127617160, 143859344, 179824180, 197806598, 255234320, 359648360, 395613196, 494516495, 719296720, 791226392, 989032990, 1582452784, 1978065980, 3956131960, 7912263920]

約数ペア:

[(1, 7912263920), (2, 3956131960), (4, 1978065980), (5, 1582452784), (8, 989032990), (10, 791226392), (11, 719296720), (16, 494516495), (20, 395613196), (22, 359648360), (31, 255234320), (40, 197806598), (44, 179824180), (55, 143859344), (62, 127617160), (80, 98903299), (88, 89912090), (110, 71929672), (124, 63808580), (155, 51046864), (176, 44956045), (220, 35964836), (248, 31904290), (310, 25523432), (341, 23203120), (440, 17982418), (496, 15952145), (620, 12761716), (682, 11601560), (880, 8991209), (1240, 6380858), (1364, 5800780), (1705, 4640624), (2480, 3190429), (2728, 2900390), (3410, 2320312), (5456, 1450195), (6820, 1160156), (13640, 580078), (27280, 290039)]