218478210

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{277}}^1\times {\mathrm{431}}^1$

素因数の和:779

約数の個数: 64

約数和(自身を含む): 536108544

約数和(自身を除く): 317630334

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 61, 122, 183, 277, 305, 366, 431, 554, 610, 831, 862, 915, 1293, 1385, 1662, 1830, 2155, 2586, 2770, 4155, 4310, 6465, 8310, 12930, 16897, 26291, 33794, 50691, 52582, 78873, 84485, 101382, 119387, 131455, 157746, 168970, 238774, 253455, 262910, 358161, 394365, 506910, 596935, 716322, 788730, 1193870, 1790805, 3581610, 7282607, 14565214, 21847821, 36413035, 43695642, 72826070, 109239105, 218478210]

約数ペア:

[(1, 218478210), (2, 109239105), (3, 72826070), (5, 43695642), (6, 36413035), (10, 21847821), (15, 14565214), (30, 7282607), (61, 3581610), (122, 1790805), (183, 1193870), (277, 788730), (305, 716322), (366, 596935), (431, 506910), (554, 394365), (610, 358161), (831, 262910), (862, 253455), (915, 238774), (1293, 168970), (1385, 157746), (1662, 131455), (1830, 119387), (2155, 101382), (2586, 84485), (2770, 78873), (4155, 52582), (4310, 50691), (6465, 33794), (8310, 26291), (12930, 16897)]