221330571920

素因数分解:

$2^4\times 5^1\times {\mathrm{149}}^1\times {\mathrm{709}}^1\times {\mathrm{26189}}^1$

素因数の和:27060

約数の個数: 80

約数和(自身を含む): 518797710000

約数和(自身を除く): 297467138080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 149, 298, 596, 709, 745, 1192, 1418, 1490, 2384, 2836, 2980, 3545, 5672, 5960, 7090, 11344, 11920, 14180, 26189, 28360, 52378, 56720, 104756, 105641, 130945, 209512, 211282, 261890, 419024, 422564, 523780, 528205, 845128, 1047560, 1056410, 1690256, 2095120, 2112820, 3902161, 4225640, 7804322, 8451280, 15608644, 18568001, 19510805, 31217288, 37136002, 39021610, 62434576, 74272004, 78043220, 92840005, 148544008, 156086440, 185680010, 297088016, 312172880, 371360020, 742720040, 1485440080, 2766632149, 5533264298, 11066528596, 13833160745, 22133057192, 27666321490, 44266114384, 55332642980, 110665285960, 221330571920]

約数ペア:

[(1, 221330571920), (2, 110665285960), (4, 55332642980), (5, 44266114384), (8, 27666321490), (10, 22133057192), (16, 13833160745), (20, 11066528596), (40, 5533264298), (80, 2766632149), (149, 1485440080), (298, 742720040), (596, 371360020), (709, 312172880), (745, 297088016), (1192, 185680010), (1418, 156086440), (1490, 148544008), (2384, 92840005), (2836, 78043220), (2980, 74272004), (3545, 62434576), (5672, 39021610), (5960, 37136002), (7090, 31217288), (11344, 19510805), (11920, 18568001), (14180, 15608644), (26189, 8451280), (28360, 7804322), (52378, 4225640), (56720, 3902161), (104756, 2112820), (105641, 2095120), (130945, 1690256), (209512, 1056410), (211282, 1047560), (261890, 845128), (419024, 528205), (422564, 523780)]