84816620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{19543}}^1$

素因数の和:19590

約数の個数: 48

約数和(自身を含む): 210137088

約数和(自身を除く): 125320468

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 4340, 19543, 39086, 78172, 97715, 136801, 195430, 273602, 390860, 547204, 605833, 684005, 1211666, 1368010, 2423332, 2736020, 3029165, 4240831, 6058330, 8481662, 12116660, 16963324, 21204155, 42408310, 84816620]

約数ペア:

[(1, 84816620), (2, 42408310), (4, 21204155), (5, 16963324), (7, 12116660), (10, 8481662), (14, 6058330), (20, 4240831), (28, 3029165), (31, 2736020), (35, 2423332), (62, 1368010), (70, 1211666), (124, 684005), (140, 605833), (155, 547204), (217, 390860), (310, 273602), (434, 195430), (620, 136801), (868, 97715), (1085, 78172), (2170, 39086), (4340, 19543)]