209931420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{39313}}^1$

素因数の和:39414

約数の個数: 48

約数和(自身を含む): 594427680

約数和(自身を除く): 384496260

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 89, 178, 267, 356, 445, 534, 890, 1068, 1335, 1780, 2670, 5340, 39313, 78626, 117939, 157252, 196565, 235878, 393130, 471756, 589695, 786260, 1179390, 2358780, 3498857, 6997714, 10496571, 13995428, 17494285, 20993142, 34988570, 41986284, 52482855, 69977140, 104965710, 209931420]

約数ペア:

[(1, 209931420), (2, 104965710), (3, 69977140), (4, 52482855), (5, 41986284), (6, 34988570), (10, 20993142), (12, 17494285), (15, 13995428), (20, 10496571), (30, 6997714), (60, 3498857), (89, 2358780), (178, 1179390), (267, 786260), (356, 589695), (445, 471756), (534, 393130), (890, 235878), (1068, 196565), (1335, 157252), (1780, 117939), (2670, 78626), (5340, 39313)]