30965780

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1\times {\mathrm{223}}^1$

素因数の和:416

約数の個数: 48

約数和(自身を含む): 67060224

約数和(自身を除く): 36094444

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 131, 212, 223, 262, 265, 446, 524, 530, 655, 892, 1060, 1115, 1310, 2230, 2620, 4460, 6943, 11819, 13886, 23638, 27772, 29213, 34715, 47276, 58426, 59095, 69430, 116852, 118190, 138860, 146065, 236380, 292130, 584260, 1548289, 3096578, 6193156, 7741445, 15482890, 30965780]

約数ペア:

[(1, 30965780), (2, 15482890), (4, 7741445), (5, 6193156), (10, 3096578), (20, 1548289), (53, 584260), (106, 292130), (131, 236380), (212, 146065), (223, 138860), (262, 118190), (265, 116852), (446, 69430), (524, 59095), (530, 58426), (655, 47276), (892, 34715), (1060, 29213), (1115, 27772), (1310, 23638), (2230, 13886), (2620, 11819), (4460, 6943)]