214970940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{239}}^1\times {\mathrm{263}}^1$

素因数の和:536

約数の個数: 144

約数和(自身を含む): 691891200

約数和(自身を除く): 476920260

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 239, 263, 285, 342, 380, 478, 526, 570, 684, 717, 789, 855, 956, 1052, 1140, 1195, 1315, 1434, 1578, 1710, 2151, 2367, 2390, 2630, 2868, 3156, 3420, 3585, 3945, 4302, 4541, 4734, 4780, 4997, 5260, 7170, 7890, 8604, 9082, 9468, 9994, 10755, 11835, 13623, 14340, 14991, 15780, 18164, 19988, 21510, 22705, 23670, 24985, 27246, 29982, 40869, 43020, 44973, 45410, 47340, 49970, 54492, 59964, 62857, 68115, 74955, 81738, 89946, 90820, 99940, 125714, 136230, 149910, 163476, 179892, 188571, 204345, 224865, 251428, 272460, 299820, 314285, 377142, 408690, 449730, 565713, 628570, 754284, 817380, 899460, 942855, 1131426, 1194283, 1257140, 1885710, 2262852, 2388566, 2828565, 3582849, 3771420, 4777132, 5657130, 5971415, 7165698, 10748547, 11314260, 11942830, 14331396, 17914245, 21497094, 23885660, 35828490, 42994188, 53742735, 71656980, 107485470, 214970940]

約数ペア:

[(1, 214970940), (2, 107485470), (3, 71656980), (4, 53742735), (5, 42994188), (6, 35828490), (9, 23885660), (10, 21497094), (12, 17914245), (15, 14331396), (18, 11942830), (19, 11314260), (20, 10748547), (30, 7165698), (36, 5971415), (38, 5657130), (45, 4777132), (57, 3771420), (60, 3582849), (76, 2828565), (90, 2388566), (95, 2262852), (114, 1885710), (171, 1257140), (180, 1194283), (190, 1131426), (228, 942855), (239, 899460), (263, 817380), (285, 754284), (342, 628570), (380, 565713), (478, 449730), (526, 408690), (570, 377142), (684, 314285), (717, 299820), (789, 272460), (855, 251428), (956, 224865), (1052, 204345), (1140, 188571), (1195, 179892), (1315, 163476), (1434, 149910), (1578, 136230), (1710, 125714), (2151, 99940), (2367, 90820), (2390, 89946), (2630, 81738), (2868, 74955), (3156, 68115), (3420, 62857), (3585, 59964), (3945, 54492), (4302, 49970), (4541, 47340), (4734, 45410), (4780, 44973), (4997, 43020), (5260, 40869), (7170, 29982), (7890, 27246), (8604, 24985), (9082, 23670), (9468, 22705), (9994, 21510), (10755, 19988), (11835, 18164), (13623, 15780), (14340, 14991)]