388464020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{120641}}^1$

素因数の和:120680

約数の個数: 48

約数和(自身を含む): 972857088

約数和(自身を除く): 584393068

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 805, 1610, 3220, 120641, 241282, 482564, 603205, 844487, 1206410, 1688974, 2412820, 2774743, 3377948, 4222435, 5549486, 8444870, 11098972, 13873715, 16889740, 19423201, 27747430, 38846402, 55494860, 77692804, 97116005, 194232010, 388464020]

約数ペア:

[(1, 388464020), (2, 194232010), (4, 97116005), (5, 77692804), (7, 55494860), (10, 38846402), (14, 27747430), (20, 19423201), (23, 16889740), (28, 13873715), (35, 11098972), (46, 8444870), (70, 5549486), (92, 4222435), (115, 3377948), (140, 2774743), (161, 2412820), (230, 1688974), (322, 1206410), (460, 844487), (644, 603205), (805, 482564), (1610, 241282), (3220, 120641)]