198208010

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19801}}^1$

素因数の和:19839

約数の個数: 64

約数和(自身を含む): 479049984

約数和(自身を除く): 280841974

約数列:

[1, 2, 5, 7, 10, 11, 13, 14, 22, 26, 35, 55, 65, 70, 77, 91, 110, 130, 143, 154, 182, 286, 385, 455, 715, 770, 910, 1001, 1430, 2002, 5005, 10010, 19801, 39602, 99005, 138607, 198010, 217811, 257413, 277214, 435622, 514826, 693035, 1089055, 1287065, 1386070, 1524677, 1801891, 2178110, 2574130, 2831543, 3049354, 3603782, 5663086, 7623385, 9009455, 14157715, 15246770, 18018910, 19820801, 28315430, 39641602, 99104005, 198208010]

約数ペア:

[(1, 198208010), (2, 99104005), (5, 39641602), (7, 28315430), (10, 19820801), (11, 18018910), (13, 15246770), (14, 14157715), (22, 9009455), (26, 7623385), (35, 5663086), (55, 3603782), (65, 3049354), (70, 2831543), (77, 2574130), (91, 2178110), (110, 1801891), (130, 1524677), (143, 1386070), (154, 1287065), (182, 1089055), (286, 693035), (385, 514826), (455, 435622), (715, 277214), (770, 257413), (910, 217811), (1001, 198010), (1430, 138607), (2002, 99005), (5005, 39602), (10010, 19801)]