397820416

素因数分解:

$2^9\times 7^2\times {\mathrm{101}}^1\times {\mathrm{157}}^1$

素因数の和:290

約数の個数: 120

約数和(自身を含む): 939740076

約数和(自身を除く): 541919660

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 101, 112, 128, 157, 196, 202, 224, 256, 314, 392, 404, 448, 512, 628, 707, 784, 808, 896, 1099, 1256, 1414, 1568, 1616, 1792, 2198, 2512, 2828, 3136, 3232, 3584, 4396, 4949, 5024, 5656, 6272, 6464, 7693, 8792, 9898, 10048, 11312, 12544, 12928, 15386, 15857, 17584, 19796, 20096, 22624, 25088, 25856, 30772, 31714, 35168, 39592, 40192, 45248, 51712, 61544, 63428, 70336, 79184, 80384, 90496, 110999, 123088, 126856, 140672, 158368, 180992, 221998, 246176, 253712, 281344, 316736, 361984, 443996, 492352, 507424, 562688, 633472, 776993, 887992, 984704, 1014848, 1266944, 1553986, 1775984, 1969408, 2029696, 2533888, 3107972, 3551968, 3938816, 4059392, 6215944, 7103936, 8118784, 12431888, 14207872, 24863776, 28415744, 49727552, 56831488, 99455104, 198910208, 397820416]

約数ペア:

[(1, 397820416), (2, 198910208), (4, 99455104), (7, 56831488), (8, 49727552), (14, 28415744), (16, 24863776), (28, 14207872), (32, 12431888), (49, 8118784), (56, 7103936), (64, 6215944), (98, 4059392), (101, 3938816), (112, 3551968), (128, 3107972), (157, 2533888), (196, 2029696), (202, 1969408), (224, 1775984), (256, 1553986), (314, 1266944), (392, 1014848), (404, 984704), (448, 887992), (512, 776993), (628, 633472), (707, 562688), (784, 507424), (808, 492352), (896, 443996), (1099, 361984), (1256, 316736), (1414, 281344), (1568, 253712), (1616, 246176), (1792, 221998), (2198, 180992), (2512, 158368), (2828, 140672), (3136, 126856), (3232, 123088), (3584, 110999), (4396, 90496), (4949, 80384), (5024, 79184), (5656, 70336), (6272, 63428), (6464, 61544), (7693, 51712), (8792, 45248), (9898, 40192), (10048, 39592), (11312, 35168), (12544, 31714), (12928, 30772), (15386, 25856), (15857, 25088), (17584, 22624), (19796, 20096)]