242893460

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{2237}}^1$

素因数の和:2396

約数の個数: 48

約数和(自身を含む): 524497680

約数和(自身を除く): 281604220

約数列:

[1, 2, 4, 5, 10, 20, 61, 89, 122, 178, 244, 305, 356, 445, 610, 890, 1220, 1780, 2237, 4474, 5429, 8948, 10858, 11185, 21716, 22370, 27145, 44740, 54290, 108580, 136457, 199093, 272914, 398186, 545828, 682285, 796372, 995465, 1364570, 1990930, 2729140, 3981860, 12144673, 24289346, 48578692, 60723365, 121446730, 242893460]

約数ペア:

[(1, 242893460), (2, 121446730), (4, 60723365), (5, 48578692), (10, 24289346), (20, 12144673), (61, 3981860), (89, 2729140), (122, 1990930), (178, 1364570), (244, 995465), (305, 796372), (356, 682285), (445, 545828), (610, 398186), (890, 272914), (1220, 199093), (1780, 136457), (2237, 108580), (4474, 54290), (5429, 44740), (8948, 27145), (10858, 22370), (11185, 21716)]