156657508660

素因数分解:

$2^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{461}}^1\times {\mathrm{86249}}^1$

素因数の和:86916

約数の個数: 48

約数和(自身を含む): 331371810000

約数和(自身を除く): 174714301340

約数列:

[1, 2, 4, 5, 10, 20, 197, 394, 461, 788, 922, 985, 1844, 1970, 2305, 3940, 4610, 9220, 86249, 90817, 172498, 181634, 344996, 363268, 431245, 454085, 862490, 908170, 1724980, 1816340, 16991053, 33982106, 39760789, 67964212, 79521578, 84955265, 159043156, 169910530, 198803945, 339821060, 397607890, 795215780, 7832875433, 15665750866, 31331501732, 39164377165, 78328754330, 156657508660]

約数ペア:

[(1, 156657508660), (2, 78328754330), (4, 39164377165), (5, 31331501732), (10, 15665750866), (20, 7832875433), (197, 795215780), (394, 397607890), (461, 339821060), (788, 198803945), (922, 169910530), (985, 159043156), (1844, 84955265), (1970, 79521578), (2305, 67964212), (3940, 39760789), (4610, 33982106), (9220, 16991053), (86249, 1816340), (90817, 1724980), (172498, 908170), (181634, 862490), (344996, 454085), (363268, 431245)]