1212249220

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{95153}}^1$

素因数の和:95189

約数の個数: 72

約数和(自身を含む): 3189181464

約数和(自身を除く): 1976932244

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 65, 70, 91, 98, 130, 140, 182, 196, 245, 260, 364, 455, 490, 637, 910, 980, 1274, 1820, 2548, 3185, 6370, 12740, 95153, 190306, 380612, 475765, 666071, 951530, 1236989, 1332142, 1903060, 2473978, 2664284, 3330355, 4662497, 4947956, 6184945, 6660710, 8658923, 9324994, 12369890, 13321420, 17317846, 18649988, 23312485, 24739780, 34635692, 43294615, 46624970, 60612461, 86589230, 93249940, 121224922, 173178460, 242449844, 303062305, 606124610, 1212249220]

約数ペア:

[(1, 1212249220), (2, 606124610), (4, 303062305), (5, 242449844), (7, 173178460), (10, 121224922), (13, 93249940), (14, 86589230), (20, 60612461), (26, 46624970), (28, 43294615), (35, 34635692), (49, 24739780), (52, 23312485), (65, 18649988), (70, 17317846), (91, 13321420), (98, 12369890), (130, 9324994), (140, 8658923), (182, 6660710), (196, 6184945), (245, 4947956), (260, 4662497), (364, 3330355), (455, 2664284), (490, 2473978), (637, 1903060), (910, 1332142), (980, 1236989), (1274, 951530), (1820, 666071), (2548, 475765), (3185, 380612), (6370, 190306), (12740, 95153)]