399804720

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{33997}}^1$

素因数の和:34027

約数の個数: 120

約数和(自身を含む): 1441787184

約数和(自身を除く): 1041982464

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 49, 56, 60, 70, 80, 84, 98, 105, 112, 120, 140, 147, 168, 196, 210, 240, 245, 280, 294, 336, 392, 420, 490, 560, 588, 735, 784, 840, 980, 1176, 1470, 1680, 1960, 2352, 2940, 3920, 5880, 11760, 33997, 67994, 101991, 135988, 169985, 203982, 237979, 271976, 339970, 407964, 475958, 509955, 543952, 679940, 713937, 815928, 951916, 1019910, 1189895, 1359880, 1427874, 1631856, 1665853, 1903832, 2039820, 2379790, 2719760, 2855748, 3331706, 3569685, 3807664, 4079640, 4759580, 4997559, 5711496, 6663412, 7139370, 8159280, 8329265, 9519160, 9995118, 11422992, 13326824, 14278740, 16658530, 19038320, 19990236, 24987795, 26653648, 28557480, 33317060, 39980472, 49975590, 57114960, 66634120, 79960944, 99951180, 133268240, 199902360, 399804720]

約数ペア:

[(1, 399804720), (2, 199902360), (3, 133268240), (4, 99951180), (5, 79960944), (6, 66634120), (7, 57114960), (8, 49975590), (10, 39980472), (12, 33317060), (14, 28557480), (15, 26653648), (16, 24987795), (20, 19990236), (21, 19038320), (24, 16658530), (28, 14278740), (30, 13326824), (35, 11422992), (40, 9995118), (42, 9519160), (48, 8329265), (49, 8159280), (56, 7139370), (60, 6663412), (70, 5711496), (80, 4997559), (84, 4759580), (98, 4079640), (105, 3807664), (112, 3569685), (120, 3331706), (140, 2855748), (147, 2719760), (168, 2379790), (196, 2039820), (210, 1903832), (240, 1665853), (245, 1631856), (280, 1427874), (294, 1359880), (336, 1189895), (392, 1019910), (420, 951916), (490, 815928), (560, 713937), (588, 679940), (735, 543952), (784, 509955), (840, 475958), (980, 407964), (1176, 339970), (1470, 271976), (1680, 237979), (1960, 203982), (2352, 169985), (2940, 135988), (3920, 101991), (5880, 67994), (11760, 33997)]