201785240

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{103}}^1$

素因数の和:241

約数の個数: 128

約数和(自身を含む): 504092160

約数和(自身を除く): 302306920

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 43, 67, 68, 85, 86, 103, 134, 136, 170, 172, 206, 215, 268, 335, 340, 344, 412, 430, 515, 536, 670, 680, 731, 824, 860, 1030, 1139, 1340, 1462, 1720, 1751, 2060, 2278, 2680, 2881, 2924, 3502, 3655, 4120, 4429, 4556, 5695, 5762, 5848, 6901, 7004, 7310, 8755, 8858, 9112, 11390, 11524, 13802, 14008, 14405, 14620, 17510, 17716, 22145, 22780, 23048, 27604, 28810, 29240, 34505, 35020, 35432, 44290, 45560, 48977, 55208, 57620, 69010, 70040, 75293, 88580, 97954, 115240, 117317, 138020, 150586, 177160, 195908, 234634, 244885, 276040, 296743, 301172, 376465, 391816, 469268, 489770, 586585, 593486, 602344, 752930, 938536, 979540, 1173170, 1186972, 1483715, 1505860, 1959080, 2346340, 2373944, 2967430, 3011720, 4692680, 5044631, 5934860, 10089262, 11869720, 20178524, 25223155, 40357048, 50446310, 100892620, 201785240]

約数ペア:

[(1, 201785240), (2, 100892620), (4, 50446310), (5, 40357048), (8, 25223155), (10, 20178524), (17, 11869720), (20, 10089262), (34, 5934860), (40, 5044631), (43, 4692680), (67, 3011720), (68, 2967430), (85, 2373944), (86, 2346340), (103, 1959080), (134, 1505860), (136, 1483715), (170, 1186972), (172, 1173170), (206, 979540), (215, 938536), (268, 752930), (335, 602344), (340, 593486), (344, 586585), (412, 489770), (430, 469268), (515, 391816), (536, 376465), (670, 301172), (680, 296743), (731, 276040), (824, 244885), (860, 234634), (1030, 195908), (1139, 177160), (1340, 150586), (1462, 138020), (1720, 117317), (1751, 115240), (2060, 97954), (2278, 88580), (2680, 75293), (2881, 70040), (2924, 69010), (3502, 57620), (3655, 55208), (4120, 48977), (4429, 45560), (4556, 44290), (5695, 35432), (5762, 35020), (5848, 34505), (6901, 29240), (7004, 28810), (7310, 27604), (8755, 23048), (8858, 22780), (9112, 22145), (11390, 17716), (11524, 17510), (13802, 14620), (14008, 14405)]