249735920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{149}}^1$

素因数の和:283

約数の個数: 160

約数和(自身を含む): 693705600

約数和(自身を除く): 443969680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 41, 56, 70, 73, 80, 82, 112, 140, 146, 149, 164, 205, 280, 287, 292, 298, 328, 365, 410, 511, 560, 574, 584, 596, 656, 730, 745, 820, 1022, 1043, 1148, 1168, 1192, 1435, 1460, 1490, 1640, 2044, 2086, 2296, 2384, 2555, 2870, 2920, 2980, 2993, 3280, 4088, 4172, 4592, 5110, 5215, 5740, 5840, 5960, 5986, 6109, 8176, 8344, 10220, 10430, 10877, 11480, 11920, 11972, 12218, 14965, 16688, 20440, 20860, 20951, 21754, 22960, 23944, 24436, 29930, 30545, 40880, 41720, 41902, 42763, 43508, 47888, 48872, 54385, 59860, 61090, 76139, 83440, 83804, 85526, 87016, 97744, 104755, 108770, 119720, 122180, 152278, 167608, 171052, 174032, 209510, 213815, 217540, 239440, 244360, 304556, 335216, 342104, 380695, 419020, 427630, 435080, 445957, 488720, 609112, 684208, 761390, 838040, 855260, 870160, 891914, 1218224, 1522780, 1676080, 1710520, 1783828, 2229785, 3045560, 3121699, 3421040, 3567656, 4459570, 6091120, 6243398, 7135312, 8919140, 12486796, 15608495, 17838280, 24973592, 31216990, 35676560, 49947184, 62433980, 124867960, 249735920]

約数ペア:

[(1, 249735920), (2, 124867960), (4, 62433980), (5, 49947184), (7, 35676560), (8, 31216990), (10, 24973592), (14, 17838280), (16, 15608495), (20, 12486796), (28, 8919140), (35, 7135312), (40, 6243398), (41, 6091120), (56, 4459570), (70, 3567656), (73, 3421040), (80, 3121699), (82, 3045560), (112, 2229785), (140, 1783828), (146, 1710520), (149, 1676080), (164, 1522780), (205, 1218224), (280, 891914), (287, 870160), (292, 855260), (298, 838040), (328, 761390), (365, 684208), (410, 609112), (511, 488720), (560, 445957), (574, 435080), (584, 427630), (596, 419020), (656, 380695), (730, 342104), (745, 335216), (820, 304556), (1022, 244360), (1043, 239440), (1148, 217540), (1168, 213815), (1192, 209510), (1435, 174032), (1460, 171052), (1490, 167608), (1640, 152278), (2044, 122180), (2086, 119720), (2296, 108770), (2384, 104755), (2555, 97744), (2870, 87016), (2920, 85526), (2980, 83804), (2993, 83440), (3280, 76139), (4088, 61090), (4172, 59860), (4592, 54385), (5110, 48872), (5215, 47888), (5740, 43508), (5840, 42763), (5960, 41902), (5986, 41720), (6109, 40880), (8176, 30545), (8344, 29930), (10220, 24436), (10430, 23944), (10877, 22960), (11480, 21754), (11920, 20951), (11972, 20860), (12218, 20440), (14965, 16688)]