149204020

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{152249}}^1$

素因数の和:152272

約数の個数: 36

約数和(自身を含む): 364486500

約数和(自身を除く): 215282480

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 152249, 304498, 608996, 761245, 1065743, 1522490, 2131486, 3044980, 4262972, 5328715, 7460201, 10657430, 14920402, 21314860, 29840804, 37301005, 74602010, 149204020]

約数ペア:

[(1, 149204020), (2, 74602010), (4, 37301005), (5, 29840804), (7, 21314860), (10, 14920402), (14, 10657430), (20, 7460201), (28, 5328715), (35, 4262972), (49, 3044980), (70, 2131486), (98, 1522490), (140, 1065743), (196, 761245), (245, 608996), (490, 304498), (980, 152249)]