212041240

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{271}}^1\times {\mathrm{631}}^1$

素因数の和:944

約数の個数: 64

約数和(自身を含む): 495083520

約数和(自身を除く): 283042280

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 271, 310, 542, 620, 631, 1084, 1240, 1262, 1355, 2168, 2524, 2710, 3155, 5048, 5420, 6310, 8401, 10840, 12620, 16802, 19561, 25240, 33604, 39122, 42005, 67208, 78244, 84010, 97805, 156488, 168020, 171001, 195610, 336040, 342002, 391220, 684004, 782440, 855005, 1368008, 1710010, 3420020, 5301031, 6840040, 10602062, 21204124, 26505155, 42408248, 53010310, 106020620, 212041240]

約数ペア:

[(1, 212041240), (2, 106020620), (4, 53010310), (5, 42408248), (8, 26505155), (10, 21204124), (20, 10602062), (31, 6840040), (40, 5301031), (62, 3420020), (124, 1710010), (155, 1368008), (248, 855005), (271, 782440), (310, 684004), (542, 391220), (620, 342002), (631, 336040), (1084, 195610), (1240, 171001), (1262, 168020), (1355, 156488), (2168, 97805), (2524, 84010), (2710, 78244), (3155, 67208), (5048, 42005), (5420, 39122), (6310, 33604), (8401, 25240), (10840, 19561), (12620, 16802)]