210339980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{151}}^1\times {\mathrm{241}}^1$

素因数の和:435

約数の個数: 72

約数和(自身を含む): 474292896

約数和(自身を除く): 263952916

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 151, 170, 241, 289, 302, 340, 482, 578, 604, 755, 964, 1156, 1205, 1445, 1510, 2410, 2567, 2890, 3020, 4097, 4820, 5134, 5780, 8194, 10268, 12835, 16388, 20485, 25670, 36391, 40970, 43639, 51340, 69649, 72782, 81940, 87278, 139298, 145564, 174556, 181955, 218195, 278596, 348245, 363910, 436390, 618647, 696490, 727820, 872780, 1237294, 1392980, 2474588, 3093235, 6186470, 10516999, 12372940, 21033998, 42067996, 52584995, 105169990, 210339980]

約数ペア:

[(1, 210339980), (2, 105169990), (4, 52584995), (5, 42067996), (10, 21033998), (17, 12372940), (20, 10516999), (34, 6186470), (68, 3093235), (85, 2474588), (151, 1392980), (170, 1237294), (241, 872780), (289, 727820), (302, 696490), (340, 618647), (482, 436390), (578, 363910), (604, 348245), (755, 278596), (964, 218195), (1156, 181955), (1205, 174556), (1445, 145564), (1510, 139298), (2410, 87278), (2567, 81940), (2890, 72782), (3020, 69649), (4097, 51340), (4820, 43639), (5134, 40970), (5780, 36391), (8194, 25670), (10268, 20485), (12835, 16388)]