227880380

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{577}}^1$

素因数の和:644

約数の個数: 144

約数和(自身を含む): 619911936

約数和(自身を除く): 392031556

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 31, 35, 49, 52, 62, 65, 70, 91, 98, 124, 130, 140, 155, 182, 196, 217, 245, 260, 310, 364, 403, 434, 455, 490, 577, 620, 637, 806, 868, 910, 980, 1085, 1154, 1274, 1519, 1612, 1820, 2015, 2170, 2308, 2548, 2821, 2885, 3038, 3185, 4030, 4039, 4340, 5642, 5770, 6076, 6370, 7501, 7595, 8060, 8078, 11284, 11540, 12740, 14105, 15002, 15190, 16156, 17887, 19747, 20195, 28210, 28273, 30004, 30380, 35774, 37505, 39494, 40390, 52507, 56420, 56546, 71548, 75010, 78988, 80780, 89435, 98735, 105014, 113092, 125209, 141365, 150020, 178870, 197470, 210028, 232531, 250418, 262535, 282730, 357740, 367549, 394940, 465062, 500836, 525070, 565460, 626045, 735098, 876463, 930124, 1050140, 1162655, 1252090, 1470196, 1627717, 1752926, 1837745, 2325310, 2504180, 3255434, 3505852, 3675490, 4382315, 4650620, 6510868, 7350980, 8138585, 8764630, 11394019, 16277170, 17529260, 22788038, 32554340, 45576076, 56970095, 113940190, 227880380]

約数ペア:

[(1, 227880380), (2, 113940190), (4, 56970095), (5, 45576076), (7, 32554340), (10, 22788038), (13, 17529260), (14, 16277170), (20, 11394019), (26, 8764630), (28, 8138585), (31, 7350980), (35, 6510868), (49, 4650620), (52, 4382315), (62, 3675490), (65, 3505852), (70, 3255434), (91, 2504180), (98, 2325310), (124, 1837745), (130, 1752926), (140, 1627717), (155, 1470196), (182, 1252090), (196, 1162655), (217, 1050140), (245, 930124), (260, 876463), (310, 735098), (364, 626045), (403, 565460), (434, 525070), (455, 500836), (490, 465062), (577, 394940), (620, 367549), (637, 357740), (806, 282730), (868, 262535), (910, 250418), (980, 232531), (1085, 210028), (1154, 197470), (1274, 178870), (1519, 150020), (1612, 141365), (1820, 125209), (2015, 113092), (2170, 105014), (2308, 98735), (2548, 89435), (2821, 80780), (2885, 78988), (3038, 75010), (3185, 71548), (4030, 56546), (4039, 56420), (4340, 52507), (5642, 40390), (5770, 39494), (6076, 37505), (6370, 35774), (7501, 30380), (7595, 30004), (8060, 28273), (8078, 28210), (11284, 20195), (11540, 19747), (12740, 17887), (14105, 16156), (15002, 15190)]