210007280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{101}}^1$

素因数の和:247

約数の個数: 160

約数和(自身を含む): 582819840

約数和(自身を除く): 372812560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 47, 56, 70, 79, 80, 94, 101, 112, 140, 158, 188, 202, 235, 280, 316, 329, 376, 395, 404, 470, 505, 553, 560, 632, 658, 707, 752, 790, 808, 940, 1010, 1106, 1264, 1316, 1414, 1580, 1616, 1645, 1880, 2020, 2212, 2632, 2765, 2828, 3160, 3290, 3535, 3713, 3760, 4040, 4424, 4747, 5264, 5530, 5656, 6320, 6580, 7070, 7426, 7979, 8080, 8848, 9494, 11060, 11312, 13160, 14140, 14852, 15958, 18565, 18988, 22120, 23735, 25991, 26320, 28280, 29704, 31916, 33229, 37130, 37976, 39895, 44240, 47470, 51982, 55853, 56560, 59408, 63832, 66458, 74260, 75952, 79790, 94940, 103964, 111706, 127664, 129955, 132916, 148520, 159580, 166145, 189880, 207928, 223412, 259910, 265832, 279265, 297040, 319160, 332290, 375013, 379760, 415856, 446824, 519820, 531664, 558530, 638320, 664580, 750026, 893648, 1039640, 1117060, 1329160, 1500052, 1875065, 2079280, 2234120, 2625091, 2658320, 3000104, 3750130, 4468240, 5250182, 6000208, 7500260, 10500364, 13125455, 15000520, 21000728, 26250910, 30001040, 42001456, 52501820, 105003640, 210007280]

約数ペア:

[(1, 210007280), (2, 105003640), (4, 52501820), (5, 42001456), (7, 30001040), (8, 26250910), (10, 21000728), (14, 15000520), (16, 13125455), (20, 10500364), (28, 7500260), (35, 6000208), (40, 5250182), (47, 4468240), (56, 3750130), (70, 3000104), (79, 2658320), (80, 2625091), (94, 2234120), (101, 2079280), (112, 1875065), (140, 1500052), (158, 1329160), (188, 1117060), (202, 1039640), (235, 893648), (280, 750026), (316, 664580), (329, 638320), (376, 558530), (395, 531664), (404, 519820), (470, 446824), (505, 415856), (553, 379760), (560, 375013), (632, 332290), (658, 319160), (707, 297040), (752, 279265), (790, 265832), (808, 259910), (940, 223412), (1010, 207928), (1106, 189880), (1264, 166145), (1316, 159580), (1414, 148520), (1580, 132916), (1616, 129955), (1645, 127664), (1880, 111706), (2020, 103964), (2212, 94940), (2632, 79790), (2765, 75952), (2828, 74260), (3160, 66458), (3290, 63832), (3535, 59408), (3713, 56560), (3760, 55853), (4040, 51982), (4424, 47470), (4747, 44240), (5264, 39895), (5530, 37976), (5656, 37130), (6320, 33229), (6580, 31916), (7070, 29704), (7426, 28280), (7979, 26320), (8080, 25991), (8848, 23735), (9494, 22120), (11060, 18988), (11312, 18565), (13160, 15958), (14140, 14852)]