421567991380

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1289}}^1\times {\mathrm{50627}}^1$

素因数の和:51961

約数の個数: 96

約数和(自身を含む): 987489014400

約数和(自身を除く): 565921023020

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 68, 76, 85, 95, 170, 190, 323, 340, 380, 646, 1289, 1292, 1615, 2578, 3230, 5156, 6445, 6460, 12890, 21913, 24491, 25780, 43826, 48982, 50627, 87652, 97964, 101254, 109565, 122455, 202508, 219130, 244910, 253135, 416347, 438260, 489820, 506270, 832694, 860659, 961913, 1012540, 1665388, 1721318, 1923826, 2081735, 3442636, 3847652, 4163470, 4303295, 4809565, 8326940, 8606590, 9619130, 16352521, 17213180, 19238260, 32705042, 65258203, 65410084, 81762605, 130516406, 163525210, 261032812, 326291015, 327050420, 652582030, 1109389451, 1239905857, 1305164060, 2218778902, 2479811714, 4437557804, 4959623428, 5546947255, 6199529285, 11093894510, 12399058570, 21078399569, 22187789020, 24798117140, 42156799138, 84313598276, 105391997845, 210783995690, 421567991380]

約数ペア:

[(1, 421567991380), (2, 210783995690), (4, 105391997845), (5, 84313598276), (10, 42156799138), (17, 24798117140), (19, 22187789020), (20, 21078399569), (34, 12399058570), (38, 11093894510), (68, 6199529285), (76, 5546947255), (85, 4959623428), (95, 4437557804), (170, 2479811714), (190, 2218778902), (323, 1305164060), (340, 1239905857), (380, 1109389451), (646, 652582030), (1289, 327050420), (1292, 326291015), (1615, 261032812), (2578, 163525210), (3230, 130516406), (5156, 81762605), (6445, 65410084), (6460, 65258203), (12890, 32705042), (21913, 19238260), (24491, 17213180), (25780, 16352521), (43826, 9619130), (48982, 8606590), (50627, 8326940), (87652, 4809565), (97964, 4303295), (101254, 4163470), (109565, 3847652), (122455, 3442636), (202508, 2081735), (219130, 1923826), (244910, 1721318), (253135, 1665388), (416347, 1012540), (438260, 961913), (489820, 860659), (506270, 832694)]