30999220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{179}}^1\times {\mathrm{1237}}^1$

素因数の和:1432

約数の個数: 48

約数和(自身を含む): 74874240

約数和(自身を除く): 43875020

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 179, 358, 716, 895, 1237, 1253, 1790, 2474, 2506, 3580, 4948, 5012, 6185, 6265, 8659, 12370, 12530, 17318, 24740, 25060, 34636, 43295, 86590, 173180, 221423, 442846, 885692, 1107115, 1549961, 2214230, 3099922, 4428460, 6199844, 7749805, 15499610, 30999220]

約数ペア:

[(1, 30999220), (2, 15499610), (4, 7749805), (5, 6199844), (7, 4428460), (10, 3099922), (14, 2214230), (20, 1549961), (28, 1107115), (35, 885692), (70, 442846), (140, 221423), (179, 173180), (358, 86590), (716, 43295), (895, 34636), (1237, 25060), (1253, 24740), (1790, 17318), (2474, 12530), (2506, 12370), (3580, 8659), (4948, 6265), (5012, 6185)]