90420428

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{1427}}^1$

素因数の和:1542

約数の個数: 48

約数和(自身を含む): 189364224

約数和(自身を除く): 98943796

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 73, 124, 146, 217, 292, 434, 511, 868, 1022, 1427, 2044, 2263, 2854, 4526, 5708, 9052, 9989, 15841, 19978, 31682, 39956, 44237, 63364, 88474, 104171, 176948, 208342, 309659, 416684, 619318, 729197, 1238636, 1458394, 2916788, 3229301, 6458602, 12917204, 22605107, 45210214, 90420428]

約数ペア:

[(1, 90420428), (2, 45210214), (4, 22605107), (7, 12917204), (14, 6458602), (28, 3229301), (31, 2916788), (62, 1458394), (73, 1238636), (124, 729197), (146, 619318), (217, 416684), (292, 309659), (434, 208342), (511, 176948), (868, 104171), (1022, 88474), (1427, 63364), (2044, 44237), (2263, 39956), (2854, 31682), (4526, 19978), (5708, 15841), (9052, 9989)]