308907740

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{379}}^1\times {\mathrm{491}}^1$

素因数の和:962

約数の個数: 48

約数和(自身を含む): 659594880

約数和(自身を除く): 350687140

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 379, 415, 491, 758, 830, 982, 1516, 1660, 1895, 1964, 2455, 3790, 4910, 7580, 9820, 31457, 40753, 62914, 81506, 125828, 157285, 163012, 186089, 203765, 314570, 372178, 407530, 629140, 744356, 815060, 930445, 1860890, 3721780, 15445387, 30890774, 61781548, 77226935, 154453870, 308907740]

約数ペア:

[(1, 308907740), (2, 154453870), (4, 77226935), (5, 61781548), (10, 30890774), (20, 15445387), (83, 3721780), (166, 1860890), (332, 930445), (379, 815060), (415, 744356), (491, 629140), (758, 407530), (830, 372178), (982, 314570), (1516, 203765), (1660, 186089), (1895, 163012), (1964, 157285), (2455, 125828), (3790, 81506), (4910, 62914), (7580, 40753), (9820, 31457)]