349529960

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{21683}}^1$

素因数の和:21738

約数の個数: 64

約数和(自身を含む): 874298880

約数和(自身を除く): 524768920

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 104, 124, 130, 155, 248, 260, 310, 403, 520, 620, 806, 1240, 1612, 2015, 3224, 4030, 8060, 16120, 21683, 43366, 86732, 108415, 173464, 216830, 281879, 433660, 563758, 672173, 867320, 1127516, 1344346, 1409395, 2255032, 2688692, 2818790, 3360865, 5377384, 5637580, 6721730, 8738249, 11275160, 13443460, 17476498, 26886920, 34952996, 43691245, 69905992, 87382490, 174764980, 349529960]

約数ペア:

[(1, 349529960), (2, 174764980), (4, 87382490), (5, 69905992), (8, 43691245), (10, 34952996), (13, 26886920), (20, 17476498), (26, 13443460), (31, 11275160), (40, 8738249), (52, 6721730), (62, 5637580), (65, 5377384), (104, 3360865), (124, 2818790), (130, 2688692), (155, 2255032), (248, 1409395), (260, 1344346), (310, 1127516), (403, 867320), (520, 672173), (620, 563758), (806, 433660), (1240, 281879), (1612, 216830), (2015, 173464), (3224, 108415), (4030, 86732), (8060, 43366), (16120, 21683)]