177223520

素因数分解:

$2^5\times 5^1\times {\mathrm{53}}^1\times {\mathrm{20899}}^1$

素因数の和:20967

約数の個数: 48

約数和(自身を含む): 426610800

約数和(自身を除く): 249387280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 53, 80, 106, 160, 212, 265, 424, 530, 848, 1060, 1696, 2120, 4240, 8480, 20899, 41798, 83596, 104495, 167192, 208990, 334384, 417980, 668768, 835960, 1107647, 1671920, 2215294, 3343840, 4430588, 5538235, 8861176, 11076470, 17722352, 22152940, 35444704, 44305880, 88611760, 177223520]

約数ペア:

[(1, 177223520), (2, 88611760), (4, 44305880), (5, 35444704), (8, 22152940), (10, 17722352), (16, 11076470), (20, 8861176), (32, 5538235), (40, 4430588), (53, 3343840), (80, 2215294), (106, 1671920), (160, 1107647), (212, 835960), (265, 668768), (424, 417980), (530, 334384), (848, 208990), (1060, 167192), (1696, 104495), (2120, 83596), (4240, 41798), (8480, 20899)]