898361620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{179}}^1\times {\mathrm{199}}^1$

素因数の和:497

約数の個数: 96

約数和(自身を含む): 2074464000

約数和(自身を除く): 1176102380

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 97, 130, 179, 194, 199, 260, 358, 388, 398, 485, 716, 796, 895, 970, 995, 1261, 1790, 1940, 1990, 2327, 2522, 2587, 3580, 3980, 4654, 5044, 5174, 6305, 9308, 10348, 11635, 12610, 12935, 17363, 19303, 23270, 25220, 25870, 34726, 35621, 38606, 46540, 51740, 69452, 71242, 77212, 86815, 96515, 142484, 173630, 178105, 193030, 225719, 250939, 347260, 356210, 386060, 451438, 463073, 501878, 712420, 902876, 926146, 1003756, 1128595, 1254695, 1852292, 2257190, 2315365, 2509390, 3455237, 4514380, 4630730, 5018780, 6910474, 9261460, 13820948, 17276185, 34552370, 44918081, 69104740, 89836162, 179672324, 224590405, 449180810, 898361620]

約数ペア:

[(1, 898361620), (2, 449180810), (4, 224590405), (5, 179672324), (10, 89836162), (13, 69104740), (20, 44918081), (26, 34552370), (52, 17276185), (65, 13820948), (97, 9261460), (130, 6910474), (179, 5018780), (194, 4630730), (199, 4514380), (260, 3455237), (358, 2509390), (388, 2315365), (398, 2257190), (485, 1852292), (716, 1254695), (796, 1128595), (895, 1003756), (970, 926146), (995, 902876), (1261, 712420), (1790, 501878), (1940, 463073), (1990, 451438), (2327, 386060), (2522, 356210), (2587, 347260), (3580, 250939), (3980, 225719), (4654, 193030), (5044, 178105), (5174, 173630), (6305, 142484), (9308, 96515), (10348, 86815), (11635, 77212), (12610, 71242), (12935, 69452), (17363, 51740), (19303, 46540), (23270, 38606), (25220, 35621), (25870, 34726)]