4919590

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{71}}^1$

素因数の和:145

約数の個数: 48

約数和(自身を含む): 9961056

約数和(自身を除く): 5041466

約数列:

[1, 2, 5, 10, 13, 26, 41, 65, 71, 82, 130, 142, 169, 205, 338, 355, 410, 533, 710, 845, 923, 1066, 1690, 1846, 2665, 2911, 4615, 5330, 5822, 6929, 9230, 11999, 13858, 14555, 23998, 29110, 34645, 37843, 59995, 69290, 75686, 119990, 189215, 378430, 491959, 983918, 2459795, 4919590]

約数ペア:

[(1, 4919590), (2, 2459795), (5, 983918), (10, 491959), (13, 378430), (26, 189215), (41, 119990), (65, 75686), (71, 69290), (82, 59995), (130, 37843), (142, 34645), (169, 29110), (205, 23998), (338, 14555), (355, 13858), (410, 11999), (533, 9230), (710, 6929), (845, 5822), (923, 5330), (1066, 4615), (1690, 2911), (1846, 2665)]