388689990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{331}}^1\times {\mathrm{3011}}^1$

素因数の和:3365

約数の個数: 64

約数和(自身を含む): 1007983872

約数和(自身を除く): 619293882

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 331, 390, 662, 993, 1655, 1986, 3011, 3310, 4303, 4965, 6022, 8606, 9033, 9930, 12909, 15055, 18066, 21515, 25818, 30110, 39143, 43030, 45165, 64545, 78286, 90330, 117429, 129090, 195715, 234858, 391430, 587145, 996641, 1174290, 1993282, 2989923, 4983205, 5979846, 9966410, 12956333, 14949615, 25912666, 29899230, 38868999, 64781665, 77737998, 129563330, 194344995, 388689990]

約数ペア:

[(1, 388689990), (2, 194344995), (3, 129563330), (5, 77737998), (6, 64781665), (10, 38868999), (13, 29899230), (15, 25912666), (26, 14949615), (30, 12956333), (39, 9966410), (65, 5979846), (78, 4983205), (130, 2989923), (195, 1993282), (331, 1174290), (390, 996641), (662, 587145), (993, 391430), (1655, 234858), (1986, 195715), (3011, 129090), (3310, 117429), (4303, 90330), (4965, 78286), (6022, 64545), (8606, 45165), (9033, 43030), (9930, 39143), (12909, 30110), (15055, 25818), (18066, 21515)]