405428000

素因数分解:

$2^5\times 5^3\times {\mathrm{79}}^1\times {\mathrm{1283}}^1$

素因数の和:1387

約数の個数: 96

約数和(自身を含む): 1009532160

約数和(自身を除く): 604104160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 79, 80, 100, 125, 158, 160, 200, 250, 316, 395, 400, 500, 632, 790, 800, 1000, 1264, 1283, 1580, 1975, 2000, 2528, 2566, 3160, 3950, 4000, 5132, 6320, 6415, 7900, 9875, 10264, 12640, 12830, 15800, 19750, 20528, 25660, 31600, 32075, 39500, 41056, 51320, 63200, 64150, 79000, 101357, 102640, 128300, 158000, 160375, 202714, 205280, 256600, 316000, 320750, 405428, 506785, 513200, 641500, 810856, 1013570, 1026400, 1283000, 1621712, 2027140, 2533925, 2566000, 3243424, 4054280, 5067850, 5132000, 8108560, 10135700, 12669625, 16217120, 20271400, 25339250, 40542800, 50678500, 81085600, 101357000, 202714000, 405428000]

約数ペア:

[(1, 405428000), (2, 202714000), (4, 101357000), (5, 81085600), (8, 50678500), (10, 40542800), (16, 25339250), (20, 20271400), (25, 16217120), (32, 12669625), (40, 10135700), (50, 8108560), (79, 5132000), (80, 5067850), (100, 4054280), (125, 3243424), (158, 2566000), (160, 2533925), (200, 2027140), (250, 1621712), (316, 1283000), (395, 1026400), (400, 1013570), (500, 810856), (632, 641500), (790, 513200), (800, 506785), (1000, 405428), (1264, 320750), (1283, 316000), (1580, 256600), (1975, 205280), (2000, 202714), (2528, 160375), (2566, 158000), (3160, 128300), (3950, 102640), (4000, 101357), (5132, 79000), (6320, 64150), (6415, 63200), (7900, 51320), (9875, 41056), (10264, 39500), (12640, 32075), (12830, 31600), (15800, 25660), (19750, 20528)]