281222620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{541}}^1$

素因数の和:683

約数の個数: 96

約数和(自身を含む): 699310080

約数和(自身を除く): 418087460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 47, 70, 79, 94, 140, 158, 188, 235, 316, 329, 395, 470, 541, 553, 658, 790, 940, 1082, 1106, 1316, 1580, 1645, 2164, 2212, 2705, 2765, 3290, 3713, 3787, 5410, 5530, 6580, 7426, 7574, 10820, 11060, 14852, 15148, 18565, 18935, 25427, 25991, 37130, 37870, 42739, 50854, 51982, 74260, 75740, 85478, 101708, 103964, 127135, 129955, 170956, 177989, 213695, 254270, 259910, 299173, 355978, 427390, 508540, 519820, 598346, 711956, 854780, 889945, 1196692, 1495865, 1779890, 2008733, 2991730, 3559780, 4017466, 5983460, 8034932, 10043665, 14061131, 20087330, 28122262, 40174660, 56244524, 70305655, 140611310, 281222620]

約数ペア:

[(1, 281222620), (2, 140611310), (4, 70305655), (5, 56244524), (7, 40174660), (10, 28122262), (14, 20087330), (20, 14061131), (28, 10043665), (35, 8034932), (47, 5983460), (70, 4017466), (79, 3559780), (94, 2991730), (140, 2008733), (158, 1779890), (188, 1495865), (235, 1196692), (316, 889945), (329, 854780), (395, 711956), (470, 598346), (541, 519820), (553, 508540), (658, 427390), (790, 355978), (940, 299173), (1082, 259910), (1106, 254270), (1316, 213695), (1580, 177989), (1645, 170956), (2164, 129955), (2212, 127135), (2705, 103964), (2765, 101708), (3290, 85478), (3713, 75740), (3787, 74260), (5410, 51982), (5530, 50854), (6580, 42739), (7426, 37870), (7574, 37130), (10820, 25991), (11060, 25427), (14852, 18935), (15148, 18565)]