217573720

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{8539}}^1$

素因数の和:8577

約数の個数: 96

約数和(自身を含む): 613342800

約数和(自身を除く): 395769080

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 49, 52, 56, 65, 70, 91, 98, 104, 130, 140, 182, 196, 245, 260, 280, 364, 392, 455, 490, 520, 637, 728, 910, 980, 1274, 1820, 1960, 2548, 3185, 3640, 5096, 6370, 8539, 12740, 17078, 25480, 34156, 42695, 59773, 68312, 85390, 111007, 119546, 170780, 222014, 239092, 298865, 341560, 418411, 444028, 478184, 555035, 597730, 777049, 836822, 888056, 1110070, 1195460, 1554098, 1673644, 2092055, 2220140, 2390920, 3108196, 3347288, 3885245, 4184110, 4440280, 5439343, 6216392, 7770490, 8368220, 10878686, 15540980, 16736440, 21757372, 27196715, 31081960, 43514744, 54393430, 108786860, 217573720]

約数ペア:

[(1, 217573720), (2, 108786860), (4, 54393430), (5, 43514744), (7, 31081960), (8, 27196715), (10, 21757372), (13, 16736440), (14, 15540980), (20, 10878686), (26, 8368220), (28, 7770490), (35, 6216392), (40, 5439343), (49, 4440280), (52, 4184110), (56, 3885245), (65, 3347288), (70, 3108196), (91, 2390920), (98, 2220140), (104, 2092055), (130, 1673644), (140, 1554098), (182, 1195460), (196, 1110070), (245, 888056), (260, 836822), (280, 777049), (364, 597730), (392, 555035), (455, 478184), (490, 444028), (520, 418411), (637, 341560), (728, 298865), (910, 239092), (980, 222014), (1274, 170780), (1820, 119546), (1960, 111007), (2548, 85390), (3185, 68312), (3640, 59773), (5096, 42695), (6370, 34156), (8539, 25480), (12740, 17078)]