31421910

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1$

素因数の和:190

約数の個数: 128

約数和(自身を含む): 88252416

約数和(自身を除く): 56830506

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 23, 26, 30, 31, 39, 46, 62, 65, 69, 78, 93, 113, 115, 130, 138, 155, 186, 195, 226, 230, 299, 310, 339, 345, 390, 403, 465, 565, 598, 678, 690, 713, 806, 897, 930, 1130, 1209, 1426, 1469, 1495, 1695, 1794, 2015, 2139, 2418, 2599, 2938, 2990, 3390, 3503, 3565, 4030, 4278, 4407, 4485, 5198, 6045, 7006, 7130, 7345, 7797, 8814, 8970, 9269, 10509, 10695, 12090, 12995, 14690, 15594, 17515, 18538, 21018, 21390, 22035, 25990, 27807, 33787, 35030, 38985, 44070, 45539, 46345, 52545, 55614, 67574, 77970, 80569, 91078, 92690, 101361, 105090, 136617, 139035, 161138, 168935, 202722, 227695, 241707, 273234, 278070, 337870, 402845, 455390, 483414, 506805, 683085, 805690, 1013610, 1047397, 1208535, 1366170, 2094794, 2417070, 3142191, 5236985, 6284382, 10473970, 15710955, 31421910]

約数ペア:

[(1, 31421910), (2, 15710955), (3, 10473970), (5, 6284382), (6, 5236985), (10, 3142191), (13, 2417070), (15, 2094794), (23, 1366170), (26, 1208535), (30, 1047397), (31, 1013610), (39, 805690), (46, 683085), (62, 506805), (65, 483414), (69, 455390), (78, 402845), (93, 337870), (113, 278070), (115, 273234), (130, 241707), (138, 227695), (155, 202722), (186, 168935), (195, 161138), (226, 139035), (230, 136617), (299, 105090), (310, 101361), (339, 92690), (345, 91078), (390, 80569), (403, 77970), (465, 67574), (565, 55614), (598, 52545), (678, 46345), (690, 45539), (713, 44070), (806, 38985), (897, 35030), (930, 33787), (1130, 27807), (1209, 25990), (1426, 22035), (1469, 21390), (1495, 21018), (1695, 18538), (1794, 17515), (2015, 15594), (2139, 14690), (2418, 12995), (2599, 12090), (2938, 10695), (2990, 10509), (3390, 9269), (3503, 8970), (3565, 8814), (4030, 7797), (4278, 7345), (4407, 7130), (4485, 7006), (5198, 6045)]