718256980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{167}}^1\times {\mathrm{991}}^1$

素因数の和:1205

約数の個数: 96

約数和(自身を含む): 1791885312

約数和(自身を除く): 1073628332

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 167, 217, 310, 334, 434, 620, 668, 835, 868, 991, 1085, 1169, 1670, 1982, 2170, 2338, 3340, 3964, 4340, 4676, 4955, 5177, 5845, 6937, 9910, 10354, 11690, 13874, 19820, 20708, 23380, 25885, 27748, 30721, 34685, 36239, 51770, 61442, 69370, 72478, 103540, 122884, 138740, 144956, 153605, 165497, 181195, 215047, 307210, 330994, 362390, 430094, 614420, 661988, 724780, 827485, 860188, 1075235, 1158479, 1654970, 2150470, 2316958, 3309940, 4300940, 4633916, 5130407, 5792395, 10260814, 11584790, 20521628, 23169580, 25652035, 35912849, 51304070, 71825698, 102608140, 143651396, 179564245, 359128490, 718256980]

約数ペア:

[(1, 718256980), (2, 359128490), (4, 179564245), (5, 143651396), (7, 102608140), (10, 71825698), (14, 51304070), (20, 35912849), (28, 25652035), (31, 23169580), (35, 20521628), (62, 11584790), (70, 10260814), (124, 5792395), (140, 5130407), (155, 4633916), (167, 4300940), (217, 3309940), (310, 2316958), (334, 2150470), (434, 1654970), (620, 1158479), (668, 1075235), (835, 860188), (868, 827485), (991, 724780), (1085, 661988), (1169, 614420), (1670, 430094), (1982, 362390), (2170, 330994), (2338, 307210), (3340, 215047), (3964, 181195), (4340, 165497), (4676, 153605), (4955, 144956), (5177, 138740), (5845, 122884), (6937, 103540), (9910, 72478), (10354, 69370), (11690, 61442), (13874, 51770), (19820, 36239), (20708, 34685), (23380, 30721), (25885, 27748)]