389454080

素因数分解:

$2^8\times 5^1\times {\mathrm{41}}^2\times {\mathrm{181}}^1$

素因数の和:284

約数の個数: 108

約数和(自身を含む): 961454676

約数和(自身を除く): 572000596

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 64, 80, 82, 128, 160, 164, 181, 205, 256, 320, 328, 362, 410, 640, 656, 724, 820, 905, 1280, 1312, 1448, 1640, 1681, 1810, 2624, 2896, 3280, 3362, 3620, 5248, 5792, 6560, 6724, 7240, 7421, 8405, 10496, 11584, 13120, 13448, 14480, 14842, 16810, 23168, 26240, 26896, 28960, 29684, 33620, 37105, 46336, 52480, 53792, 57920, 59368, 67240, 74210, 107584, 115840, 118736, 134480, 148420, 215168, 231680, 237472, 268960, 296840, 304261, 430336, 474944, 537920, 593680, 608522, 949888, 1075840, 1187360, 1217044, 1521305, 1899776, 2151680, 2374720, 2434088, 3042610, 4749440, 4868176, 6085220, 9498880, 9736352, 12170440, 19472704, 24340880, 38945408, 48681760, 77890816, 97363520, 194727040, 389454080]

約数ペア:

[(1, 389454080), (2, 194727040), (4, 97363520), (5, 77890816), (8, 48681760), (10, 38945408), (16, 24340880), (20, 19472704), (32, 12170440), (40, 9736352), (41, 9498880), (64, 6085220), (80, 4868176), (82, 4749440), (128, 3042610), (160, 2434088), (164, 2374720), (181, 2151680), (205, 1899776), (256, 1521305), (320, 1217044), (328, 1187360), (362, 1075840), (410, 949888), (640, 608522), (656, 593680), (724, 537920), (820, 474944), (905, 430336), (1280, 304261), (1312, 296840), (1448, 268960), (1640, 237472), (1681, 231680), (1810, 215168), (2624, 148420), (2896, 134480), (3280, 118736), (3362, 115840), (3620, 107584), (5248, 74210), (5792, 67240), (6560, 59368), (6724, 57920), (7240, 53792), (7421, 52480), (8405, 46336), (10496, 37105), (11584, 33620), (13120, 29684), (13448, 28960), (14480, 26896), (14842, 26240), (16810, 23168)]