209317890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{173}}^1\times {\mathrm{1301}}^1$

素因数の和:1515

約数の個数: 64

約数和(自身を含む): 521966592

約数和(自身を除く): 312648702

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 62, 93, 155, 173, 186, 310, 346, 465, 519, 865, 930, 1038, 1301, 1730, 2595, 2602, 3903, 5190, 5363, 6505, 7806, 10726, 13010, 16089, 19515, 26815, 32178, 39030, 40331, 53630, 80445, 80662, 120993, 160890, 201655, 225073, 241986, 403310, 450146, 604965, 675219, 1125365, 1209930, 1350438, 2250730, 3376095, 6752190, 6977263, 13954526, 20931789, 34886315, 41863578, 69772630, 104658945, 209317890]

約数ペア:

[(1, 209317890), (2, 104658945), (3, 69772630), (5, 41863578), (6, 34886315), (10, 20931789), (15, 13954526), (30, 6977263), (31, 6752190), (62, 3376095), (93, 2250730), (155, 1350438), (173, 1209930), (186, 1125365), (310, 675219), (346, 604965), (465, 450146), (519, 403310), (865, 241986), (930, 225073), (1038, 201655), (1301, 160890), (1730, 120993), (2595, 80662), (2602, 80445), (3903, 53630), (5190, 40331), (5363, 39030), (6505, 32178), (7806, 26815), (10726, 19515), (13010, 16089)]