400178520

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{379}}^1\times {\mathrm{419}}^1$

素因数の和:822

約数の個数: 192

約数和(自身を含む): 1493856000

約数和(自身を除く): 1093677480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 252, 280, 315, 360, 379, 419, 420, 504, 630, 758, 838, 840, 1137, 1257, 1260, 1516, 1676, 1895, 2095, 2274, 2514, 2520, 2653, 2933, 3032, 3352, 3411, 3771, 3790, 4190, 4548, 5028, 5306, 5685, 5866, 6285, 6822, 7542, 7580, 7959, 8380, 8799, 9096, 10056, 10612, 11370, 11732, 12570, 13265, 13644, 14665, 15084, 15160, 15918, 16760, 17055, 17598, 18855, 21224, 22740, 23464, 23877, 25140, 26397, 26530, 27288, 29330, 30168, 31836, 34110, 35196, 37710, 39795, 43995, 45480, 47754, 50280, 52794, 53060, 58660, 63672, 68220, 70392, 75420, 79590, 87990, 95508, 105588, 106120, 117320, 119385, 131985, 136440, 150840, 158801, 159180, 175980, 191016, 211176, 238770, 263970, 317602, 318360, 351960, 476403, 477540, 527940, 635204, 794005, 952806, 955080, 1055880, 1111607, 1270408, 1429209, 1588010, 1905612, 2223214, 2382015, 2858418, 3176020, 3334821, 3811224, 4446428, 4764030, 5558035, 5716836, 6352040, 6669642, 7146045, 8892856, 9528060, 10004463, 11116070, 11433672, 13339284, 14292090, 16674105, 19056120, 20008926, 22232140, 26678568, 28584180, 33348210, 40017852, 44464280, 50022315, 57168360, 66696420, 80035704, 100044630, 133392840, 200089260, 400178520]

約数ペア:

[(1, 400178520), (2, 200089260), (3, 133392840), (4, 100044630), (5, 80035704), (6, 66696420), (7, 57168360), (8, 50022315), (9, 44464280), (10, 40017852), (12, 33348210), (14, 28584180), (15, 26678568), (18, 22232140), (20, 20008926), (21, 19056120), (24, 16674105), (28, 14292090), (30, 13339284), (35, 11433672), (36, 11116070), (40, 10004463), (42, 9528060), (45, 8892856), (56, 7146045), (60, 6669642), (63, 6352040), (70, 5716836), (72, 5558035), (84, 4764030), (90, 4446428), (105, 3811224), (120, 3334821), (126, 3176020), (140, 2858418), (168, 2382015), (180, 2223214), (210, 1905612), (252, 1588010), (280, 1429209), (315, 1270408), (360, 1111607), (379, 1055880), (419, 955080), (420, 952806), (504, 794005), (630, 635204), (758, 527940), (838, 477540), (840, 476403), (1137, 351960), (1257, 318360), (1260, 317602), (1516, 263970), (1676, 238770), (1895, 211176), (2095, 191016), (2274, 175980), (2514, 159180), (2520, 158801), (2653, 150840), (2933, 136440), (3032, 131985), (3352, 119385), (3411, 117320), (3771, 106120), (3790, 105588), (4190, 95508), (4548, 87990), (5028, 79590), (5306, 75420), (5685, 70392), (5866, 68220), (6285, 63672), (6822, 58660), (7542, 53060), (7580, 52794), (7959, 50280), (8380, 47754), (8799, 45480), (9096, 43995), (10056, 39795), (10612, 37710), (11370, 35196), (11732, 34110), (12570, 31836), (13265, 30168), (13644, 29330), (14665, 27288), (15084, 26530), (15160, 26397), (15918, 25140), (16760, 23877), (17055, 23464), (17598, 22740), (18855, 21224)]