450170840

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{31}}^2\times {\mathrm{239}}^1$

素因数の和:326

約数の個数: 144

約数和(自身を含む): 1222581600

約数和(自身を除く): 772410760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 49, 56, 62, 70, 98, 124, 140, 155, 196, 217, 239, 245, 248, 280, 310, 392, 434, 478, 490, 620, 868, 956, 961, 980, 1085, 1195, 1240, 1519, 1673, 1736, 1912, 1922, 1960, 2170, 2390, 3038, 3346, 3844, 4340, 4780, 4805, 6076, 6692, 6727, 7409, 7595, 7688, 8365, 8680, 9560, 9610, 11711, 12152, 13384, 13454, 14818, 15190, 16730, 19220, 23422, 26908, 29636, 30380, 33460, 33635, 37045, 38440, 46844, 47089, 51863, 53816, 58555, 59272, 60760, 66920, 67270, 74090, 93688, 94178, 103726, 117110, 134540, 148180, 188356, 207452, 229679, 234220, 235445, 259315, 269080, 296360, 363041, 376712, 414904, 459358, 468440, 470890, 518630, 726082, 918716, 941780, 1037260, 1148395, 1452164, 1607753, 1815205, 1837432, 1883560, 2074520, 2296790, 2904328, 3215506, 3630410, 4593580, 6431012, 7260820, 8038765, 9187160, 11254271, 12862024, 14521640, 16077530, 22508542, 32155060, 45017084, 56271355, 64310120, 90034168, 112542710, 225085420, 450170840]

約数ペア:

[(1, 450170840), (2, 225085420), (4, 112542710), (5, 90034168), (7, 64310120), (8, 56271355), (10, 45017084), (14, 32155060), (20, 22508542), (28, 16077530), (31, 14521640), (35, 12862024), (40, 11254271), (49, 9187160), (56, 8038765), (62, 7260820), (70, 6431012), (98, 4593580), (124, 3630410), (140, 3215506), (155, 2904328), (196, 2296790), (217, 2074520), (239, 1883560), (245, 1837432), (248, 1815205), (280, 1607753), (310, 1452164), (392, 1148395), (434, 1037260), (478, 941780), (490, 918716), (620, 726082), (868, 518630), (956, 470890), (961, 468440), (980, 459358), (1085, 414904), (1195, 376712), (1240, 363041), (1519, 296360), (1673, 269080), (1736, 259315), (1912, 235445), (1922, 234220), (1960, 229679), (2170, 207452), (2390, 188356), (3038, 148180), (3346, 134540), (3844, 117110), (4340, 103726), (4780, 94178), (4805, 93688), (6076, 74090), (6692, 67270), (6727, 66920), (7409, 60760), (7595, 59272), (7688, 58555), (8365, 53816), (8680, 51863), (9560, 47089), (9610, 46844), (11711, 38440), (12152, 37045), (13384, 33635), (13454, 33460), (14818, 30380), (15190, 29636), (16730, 26908), (19220, 23422)]