12379900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{107}}^1$

素因数の和:223

約数の個数: 72

約数和(自身を含む): 29529360

約数和(自身を除く): 17149460

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 89, 100, 107, 130, 178, 214, 260, 325, 356, 428, 445, 535, 650, 890, 1070, 1157, 1300, 1391, 1780, 2140, 2225, 2314, 2675, 2782, 4450, 4628, 5350, 5564, 5785, 6955, 8900, 9523, 10700, 11570, 13910, 19046, 23140, 27820, 28925, 34775, 38092, 47615, 57850, 69550, 95230, 115700, 123799, 139100, 190460, 238075, 247598, 476150, 495196, 618995, 952300, 1237990, 2475980, 3094975, 6189950, 12379900]

約数ペア:

[(1, 12379900), (2, 6189950), (4, 3094975), (5, 2475980), (10, 1237990), (13, 952300), (20, 618995), (25, 495196), (26, 476150), (50, 247598), (52, 238075), (65, 190460), (89, 139100), (100, 123799), (107, 115700), (130, 95230), (178, 69550), (214, 57850), (260, 47615), (325, 38092), (356, 34775), (428, 28925), (445, 27820), (535, 23140), (650, 19046), (890, 13910), (1070, 11570), (1157, 10700), (1300, 9523), (1391, 8900), (1780, 6955), (2140, 5785), (2225, 5564), (2314, 5350), (2675, 4628), (2782, 4450)]