211632640

素因数分解:

$2^9\times 5^1\times {\mathrm{19}}^2\times {\mathrm{229}}^1$

素因数の和:290

約数の個数: 120

約数和(自身を含む): 537872940

約数和(自身を除く): 326240300

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 190, 229, 256, 304, 320, 361, 380, 458, 512, 608, 640, 722, 760, 916, 1145, 1216, 1280, 1444, 1520, 1805, 1832, 2290, 2432, 2560, 2888, 3040, 3610, 3664, 4351, 4580, 4864, 5776, 6080, 7220, 7328, 8702, 9160, 9728, 11552, 12160, 14440, 14656, 17404, 18320, 21755, 23104, 24320, 28880, 29312, 34808, 36640, 43510, 46208, 48640, 57760, 58624, 69616, 73280, 82669, 87020, 92416, 115520, 117248, 139232, 146560, 165338, 174040, 184832, 231040, 278464, 293120, 330676, 348080, 413345, 462080, 556928, 586240, 661352, 696160, 826690, 924160, 1113856, 1322704, 1392320, 1653380, 2227712, 2645408, 2784640, 3306760, 5290816, 5569280, 6613520, 10581632, 11138560, 13227040, 21163264, 26454080, 42326528, 52908160, 105816320, 211632640]

約数ペア:

[(1, 211632640), (2, 105816320), (4, 52908160), (5, 42326528), (8, 26454080), (10, 21163264), (16, 13227040), (19, 11138560), (20, 10581632), (32, 6613520), (38, 5569280), (40, 5290816), (64, 3306760), (76, 2784640), (80, 2645408), (95, 2227712), (128, 1653380), (152, 1392320), (160, 1322704), (190, 1113856), (229, 924160), (256, 826690), (304, 696160), (320, 661352), (361, 586240), (380, 556928), (458, 462080), (512, 413345), (608, 348080), (640, 330676), (722, 293120), (760, 278464), (916, 231040), (1145, 184832), (1216, 174040), (1280, 165338), (1444, 146560), (1520, 139232), (1805, 117248), (1832, 115520), (2290, 92416), (2432, 87020), (2560, 82669), (2888, 73280), (3040, 69616), (3610, 58624), (3664, 57760), (4351, 48640), (4580, 46208), (4864, 43510), (5776, 36640), (6080, 34808), (7220, 29312), (7328, 28880), (8702, 24320), (9160, 23104), (9728, 21755), (11552, 18320), (12160, 17404), (14440, 14656)]