2019989849090

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{431}}^1\times {\mathrm{1601}}^1\times {\mathrm{4799}}^1$

素因数の和:6899

約数の個数: 64

約数和(自身を含む): 3707248435200

約数和(自身を除く): 1687258586110

約数列:

[1, 2, 5, 10, 61, 122, 305, 431, 610, 862, 1601, 2155, 3202, 4310, 4799, 8005, 9598, 16010, 23995, 26291, 47990, 52582, 97661, 131455, 195322, 262910, 292739, 488305, 585478, 690031, 976610, 1380062, 1463695, 2068369, 2927390, 3450155, 4136738, 6900310, 7683199, 10341845, 15366398, 20683690, 38415995, 42091891, 76831990, 84183782, 126170509, 210459455, 252341018, 420918910, 468675139, 630852545, 937350278, 1261705090, 2343375695, 3311458769, 4686751390, 6622917538, 16557293845, 33114587690, 201998984909, 403997969818, 1009994924545, 2019989849090]

約数ペア:

[(1, 2019989849090), (2, 1009994924545), (5, 403997969818), (10, 201998984909), (61, 33114587690), (122, 16557293845), (305, 6622917538), (431, 4686751390), (610, 3311458769), (862, 2343375695), (1601, 1261705090), (2155, 937350278), (3202, 630852545), (4310, 468675139), (4799, 420918910), (8005, 252341018), (9598, 210459455), (16010, 126170509), (23995, 84183782), (26291, 76831990), (47990, 42091891), (52582, 38415995), (97661, 20683690), (131455, 15366398), (195322, 10341845), (262910, 7683199), (292739, 6900310), (488305, 4136738), (585478, 3450155), (690031, 2927390), (976610, 2068369), (1380062, 1463695)]