129678500

素因数分解:

$2^2\times 5^3\times 7^2\times {\mathrm{67}}^1\times {\mathrm{79}}^1$

素因数の和:179

約数の個数: 144

約数和(自身を含む): 338607360

約数和(自身を除く): 208928860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 67, 70, 79, 98, 100, 125, 134, 140, 158, 175, 196, 245, 250, 268, 316, 335, 350, 395, 469, 490, 500, 553, 670, 700, 790, 875, 938, 980, 1106, 1225, 1340, 1580, 1675, 1750, 1876, 1975, 2212, 2345, 2450, 2765, 3283, 3350, 3500, 3871, 3950, 4690, 4900, 5293, 5530, 6125, 6566, 6700, 7742, 7900, 8375, 9380, 9875, 10586, 11060, 11725, 12250, 13132, 13825, 15484, 16415, 16750, 19355, 19750, 21172, 23450, 24500, 26465, 27650, 32830, 33500, 37051, 38710, 39500, 46900, 52930, 55300, 58625, 65660, 69125, 74102, 77420, 82075, 96775, 105860, 117250, 132325, 138250, 148204, 164150, 185255, 193550, 234500, 259357, 264650, 276500, 328300, 370510, 387100, 410375, 483875, 518714, 529300, 661625, 741020, 820750, 926275, 967750, 1037428, 1296785, 1323250, 1641500, 1852550, 1935500, 2593570, 2646500, 3705100, 4631375, 5187140, 6483925, 9262750, 12967850, 18525500, 25935700, 32419625, 64839250, 129678500]

約数ペア:

[(1, 129678500), (2, 64839250), (4, 32419625), (5, 25935700), (7, 18525500), (10, 12967850), (14, 9262750), (20, 6483925), (25, 5187140), (28, 4631375), (35, 3705100), (49, 2646500), (50, 2593570), (67, 1935500), (70, 1852550), (79, 1641500), (98, 1323250), (100, 1296785), (125, 1037428), (134, 967750), (140, 926275), (158, 820750), (175, 741020), (196, 661625), (245, 529300), (250, 518714), (268, 483875), (316, 410375), (335, 387100), (350, 370510), (395, 328300), (469, 276500), (490, 264650), (500, 259357), (553, 234500), (670, 193550), (700, 185255), (790, 164150), (875, 148204), (938, 138250), (980, 132325), (1106, 117250), (1225, 105860), (1340, 96775), (1580, 82075), (1675, 77420), (1750, 74102), (1876, 69125), (1975, 65660), (2212, 58625), (2345, 55300), (2450, 52930), (2765, 46900), (3283, 39500), (3350, 38710), (3500, 37051), (3871, 33500), (3950, 32830), (4690, 27650), (4900, 26465), (5293, 24500), (5530, 23450), (6125, 21172), (6566, 19750), (6700, 19355), (7742, 16750), (7900, 16415), (8375, 15484), (9380, 13825), (9875, 13132), (10586, 12250), (11060, 11725)]