1897574980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{2903}}^1$

素因数の和:2978

約数の個数: 144

約数和(自身を含む): 5005566720

約数和(自身を除く): 3107991740

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 29, 35, 46, 49, 58, 70, 92, 98, 115, 116, 140, 145, 161, 196, 203, 230, 245, 290, 322, 406, 460, 490, 580, 644, 667, 805, 812, 980, 1015, 1127, 1334, 1421, 1610, 2030, 2254, 2668, 2842, 2903, 3220, 3335, 4060, 4508, 4669, 5635, 5684, 5806, 6670, 7105, 9338, 11270, 11612, 13340, 14210, 14515, 18676, 20321, 22540, 23345, 28420, 29030, 32683, 40642, 46690, 58060, 65366, 66769, 81284, 84187, 93380, 101605, 130732, 133538, 142247, 163415, 168374, 203210, 267076, 284494, 326830, 333845, 336748, 406420, 420935, 467383, 568988, 589309, 653660, 667690, 711235, 841870, 934766, 1178618, 1335380, 1422470, 1683740, 1869532, 1936301, 2336915, 2357236, 2844940, 2946545, 3271681, 3872602, 4125163, 4673830, 5893090, 6543362, 7745204, 8250326, 9347660, 9681505, 11786180, 13086724, 13554107, 16358405, 16500652, 19363010, 20625815, 27108214, 32716810, 38726020, 41251630, 54216428, 65433620, 67770535, 82503260, 94878749, 135541070, 189757498, 271082140, 379514996, 474393745, 948787490, 1897574980]

約数ペア:

[(1, 1897574980), (2, 948787490), (4, 474393745), (5, 379514996), (7, 271082140), (10, 189757498), (14, 135541070), (20, 94878749), (23, 82503260), (28, 67770535), (29, 65433620), (35, 54216428), (46, 41251630), (49, 38726020), (58, 32716810), (70, 27108214), (92, 20625815), (98, 19363010), (115, 16500652), (116, 16358405), (140, 13554107), (145, 13086724), (161, 11786180), (196, 9681505), (203, 9347660), (230, 8250326), (245, 7745204), (290, 6543362), (322, 5893090), (406, 4673830), (460, 4125163), (490, 3872602), (580, 3271681), (644, 2946545), (667, 2844940), (805, 2357236), (812, 2336915), (980, 1936301), (1015, 1869532), (1127, 1683740), (1334, 1422470), (1421, 1335380), (1610, 1178618), (2030, 934766), (2254, 841870), (2668, 711235), (2842, 667690), (2903, 653660), (3220, 589309), (3335, 568988), (4060, 467383), (4508, 420935), (4669, 406420), (5635, 336748), (5684, 333845), (5806, 326830), (6670, 284494), (7105, 267076), (9338, 203210), (11270, 168374), (11612, 163415), (13340, 142247), (14210, 133538), (14515, 130732), (18676, 101605), (20321, 93380), (22540, 84187), (23345, 81284), (28420, 66769), (29030, 65366), (32683, 58060), (40642, 46690)]