218504560

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{4957}}^1$

素因数の和:5018

約数の個数: 80

約数和(自身を含む): 553312800

約数和(自身を除く): 334808240

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 29, 38, 40, 58, 76, 80, 95, 116, 145, 152, 190, 232, 290, 304, 380, 464, 551, 580, 760, 1102, 1160, 1520, 2204, 2320, 2755, 4408, 4957, 5510, 8816, 9914, 11020, 19828, 22040, 24785, 39656, 44080, 49570, 79312, 94183, 99140, 143753, 188366, 198280, 287506, 376732, 396560, 470915, 575012, 718765, 753464, 941830, 1150024, 1437530, 1506928, 1883660, 2300048, 2731307, 2875060, 3767320, 5462614, 5750120, 7534640, 10925228, 11500240, 13656535, 21850456, 27313070, 43700912, 54626140, 109252280, 218504560]

約数ペア:

[(1, 218504560), (2, 109252280), (4, 54626140), (5, 43700912), (8, 27313070), (10, 21850456), (16, 13656535), (19, 11500240), (20, 10925228), (29, 7534640), (38, 5750120), (40, 5462614), (58, 3767320), (76, 2875060), (80, 2731307), (95, 2300048), (116, 1883660), (145, 1506928), (152, 1437530), (190, 1150024), (232, 941830), (290, 753464), (304, 718765), (380, 575012), (464, 470915), (551, 396560), (580, 376732), (760, 287506), (1102, 198280), (1160, 188366), (1520, 143753), (2204, 99140), (2320, 94183), (2755, 79312), (4408, 49570), (4957, 44080), (5510, 39656), (8816, 24785), (9914, 22040), (11020, 19828)]