389312260

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^2\times {\mathrm{31}}^1\times {\mathrm{1187}}^1$

素因数の和:1273

約数の個数: 72

約数和(自身を含む): 882959616

約数和(自身を除く): 493647356

約数列:

[1, 2, 4, 5, 10, 20, 23, 31, 46, 62, 92, 115, 124, 155, 230, 310, 460, 529, 620, 713, 1058, 1187, 1426, 2116, 2374, 2645, 2852, 3565, 4748, 5290, 5935, 7130, 10580, 11870, 14260, 16399, 23740, 27301, 32798, 36797, 54602, 65596, 73594, 81995, 109204, 136505, 147188, 163990, 183985, 273010, 327980, 367970, 546020, 627923, 735940, 846331, 1255846, 1692662, 2511692, 3139615, 3385324, 4231655, 6279230, 8463310, 12558460, 16926620, 19465613, 38931226, 77862452, 97328065, 194656130, 389312260]

約数ペア:

[(1, 389312260), (2, 194656130), (4, 97328065), (5, 77862452), (10, 38931226), (20, 19465613), (23, 16926620), (31, 12558460), (46, 8463310), (62, 6279230), (92, 4231655), (115, 3385324), (124, 3139615), (155, 2511692), (230, 1692662), (310, 1255846), (460, 846331), (529, 735940), (620, 627923), (713, 546020), (1058, 367970), (1187, 327980), (1426, 273010), (2116, 183985), (2374, 163990), (2645, 147188), (2852, 136505), (3565, 109204), (4748, 81995), (5290, 73594), (5935, 65596), (7130, 54602), (10580, 36797), (11870, 32798), (14260, 27301), (16399, 23740)]