408020800

素因数分解:

$2^6\times 5^2\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{239}}^1$

素因数の和:369

約数の個数: 168

約数和(自身を含む): 1111178880

約数和(自身を除く): 703158080

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 32, 40, 44, 50, 55, 64, 80, 88, 97, 100, 110, 160, 176, 194, 200, 220, 239, 275, 320, 352, 388, 400, 440, 478, 485, 550, 704, 776, 800, 880, 956, 970, 1067, 1100, 1195, 1552, 1600, 1760, 1912, 1940, 2134, 2200, 2390, 2425, 2629, 3104, 3520, 3824, 3880, 4268, 4400, 4780, 4850, 5258, 5335, 5975, 6208, 7648, 7760, 8536, 8800, 9560, 9700, 10516, 10670, 11950, 13145, 15296, 15520, 17072, 17600, 19120, 19400, 21032, 21340, 23183, 23900, 26290, 26675, 31040, 34144, 38240, 38800, 42064, 42680, 46366, 47800, 52580, 53350, 65725, 68288, 76480, 77600, 84128, 85360, 92732, 95600, 105160, 106700, 115915, 131450, 155200, 168256, 170720, 185464, 191200, 210320, 213400, 231830, 255013, 262900, 341440, 370928, 382400, 420640, 426800, 463660, 510026, 525800, 579575, 741856, 841280, 853600, 927320, 1020052, 1051600, 1159150, 1275065, 1483712, 1707200, 1854640, 2040104, 2103200, 2318300, 2550130, 3709280, 4080208, 4206400, 4636600, 5100260, 6375325, 7418560, 8160416, 9273200, 10200520, 12750650, 16320832, 18546400, 20401040, 25501300, 37092800, 40802080, 51002600, 81604160, 102005200, 204010400, 408020800]

約数ペア:

[(1, 408020800), (2, 204010400), (4, 102005200), (5, 81604160), (8, 51002600), (10, 40802080), (11, 37092800), (16, 25501300), (20, 20401040), (22, 18546400), (25, 16320832), (32, 12750650), (40, 10200520), (44, 9273200), (50, 8160416), (55, 7418560), (64, 6375325), (80, 5100260), (88, 4636600), (97, 4206400), (100, 4080208), (110, 3709280), (160, 2550130), (176, 2318300), (194, 2103200), (200, 2040104), (220, 1854640), (239, 1707200), (275, 1483712), (320, 1275065), (352, 1159150), (388, 1051600), (400, 1020052), (440, 927320), (478, 853600), (485, 841280), (550, 741856), (704, 579575), (776, 525800), (800, 510026), (880, 463660), (956, 426800), (970, 420640), (1067, 382400), (1100, 370928), (1195, 341440), (1552, 262900), (1600, 255013), (1760, 231830), (1912, 213400), (1940, 210320), (2134, 191200), (2200, 185464), (2390, 170720), (2425, 168256), (2629, 155200), (3104, 131450), (3520, 115915), (3824, 106700), (3880, 105160), (4268, 95600), (4400, 92732), (4780, 85360), (4850, 84128), (5258, 77600), (5335, 76480), (5975, 68288), (6208, 65725), (7648, 53350), (7760, 52580), (8536, 47800), (8800, 46366), (9560, 42680), (9700, 42064), (10516, 38800), (10670, 38240), (11950, 34144), (13145, 31040), (15296, 26675), (15520, 26290), (17072, 23900), (17600, 23183), (19120, 21340), (19400, 21032)]