890351620

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{2153}}^1$

素因数の和:2245

約数の個数: 96

約数和(自身を含む): 2084382720

約数和(自身を除く): 1194031100

約数列:

[1, 2, 4, 5, 10, 20, 23, 29, 31, 46, 58, 62, 92, 115, 116, 124, 145, 155, 230, 290, 310, 460, 580, 620, 667, 713, 899, 1334, 1426, 1798, 2153, 2668, 2852, 3335, 3565, 3596, 4306, 4495, 6670, 7130, 8612, 8990, 10765, 13340, 14260, 17980, 20677, 21530, 41354, 43060, 49519, 62437, 66743, 82708, 99038, 103385, 124874, 133486, 198076, 206770, 247595, 249748, 266972, 312185, 333715, 413540, 495190, 624370, 667430, 990380, 1248740, 1334860, 1436051, 1535089, 1935547, 2872102, 3070178, 3871094, 5744204, 6140356, 7180255, 7675445, 7742188, 9677735, 14360510, 15350890, 19355470, 28721020, 30701780, 38710940, 44517581, 89035162, 178070324, 222587905, 445175810, 890351620]

約数ペア:

[(1, 890351620), (2, 445175810), (4, 222587905), (5, 178070324), (10, 89035162), (20, 44517581), (23, 38710940), (29, 30701780), (31, 28721020), (46, 19355470), (58, 15350890), (62, 14360510), (92, 9677735), (115, 7742188), (116, 7675445), (124, 7180255), (145, 6140356), (155, 5744204), (230, 3871094), (290, 3070178), (310, 2872102), (460, 1935547), (580, 1535089), (620, 1436051), (667, 1334860), (713, 1248740), (899, 990380), (1334, 667430), (1426, 624370), (1798, 495190), (2153, 413540), (2668, 333715), (2852, 312185), (3335, 266972), (3565, 249748), (3596, 247595), (4306, 206770), (4495, 198076), (6670, 133486), (7130, 124874), (8612, 103385), (8990, 99038), (10765, 82708), (13340, 66743), (14260, 62437), (17980, 49519), (20677, 43060), (21530, 41354)]