129810520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{3539}}^1$

素因数の和:3688

約数の個数: 64

約数和(自身を含む): 336441600

約数和(自身を除く): 206631080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 131, 140, 262, 280, 524, 655, 917, 1048, 1310, 1834, 2620, 3539, 3668, 4585, 5240, 7078, 7336, 9170, 14156, 17695, 18340, 24773, 28312, 35390, 36680, 49546, 70780, 99092, 123865, 141560, 198184, 247730, 463609, 495460, 927218, 990920, 1854436, 2318045, 3245263, 3708872, 4636090, 6490526, 9272180, 12981052, 16226315, 18544360, 25962104, 32452630, 64905260, 129810520]

約数ペア:

[(1, 129810520), (2, 64905260), (4, 32452630), (5, 25962104), (7, 18544360), (8, 16226315), (10, 12981052), (14, 9272180), (20, 6490526), (28, 4636090), (35, 3708872), (40, 3245263), (56, 2318045), (70, 1854436), (131, 990920), (140, 927218), (262, 495460), (280, 463609), (524, 247730), (655, 198184), (917, 141560), (1048, 123865), (1310, 99092), (1834, 70780), (2620, 49546), (3539, 36680), (3668, 35390), (4585, 28312), (5240, 24773), (7078, 18340), (7336, 17695), (9170, 14156)]