56999980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{197}}^1$

素因数の和:283

約数の個数: 96

約数和(自身を含む): 136515456

約数和(自身を除く): 79515476

約数列:

[1, 2, 4, 5, 10, 17, 20, 23, 34, 37, 46, 68, 74, 85, 92, 115, 148, 170, 185, 197, 230, 340, 370, 391, 394, 460, 629, 740, 782, 788, 851, 985, 1258, 1564, 1702, 1955, 1970, 2516, 3145, 3349, 3404, 3910, 3940, 4255, 4531, 6290, 6698, 7289, 7820, 8510, 9062, 12580, 13396, 14467, 14578, 16745, 17020, 18124, 22655, 28934, 29156, 33490, 36445, 45310, 57868, 66980, 72335, 72890, 77027, 90620, 123913, 144670, 145780, 154054, 167647, 247826, 289340, 308108, 335294, 385135, 495652, 619565, 670588, 770270, 838235, 1239130, 1540540, 1676470, 2478260, 2849999, 3352940, 5699998, 11399996, 14249995, 28499990, 56999980]

約数ペア:

[(1, 56999980), (2, 28499990), (4, 14249995), (5, 11399996), (10, 5699998), (17, 3352940), (20, 2849999), (23, 2478260), (34, 1676470), (37, 1540540), (46, 1239130), (68, 838235), (74, 770270), (85, 670588), (92, 619565), (115, 495652), (148, 385135), (170, 335294), (185, 308108), (197, 289340), (230, 247826), (340, 167647), (370, 154054), (391, 145780), (394, 144670), (460, 123913), (629, 90620), (740, 77027), (782, 72890), (788, 72335), (851, 66980), (985, 57868), (1258, 45310), (1564, 36445), (1702, 33490), (1955, 29156), (1970, 28934), (2516, 22655), (3145, 18124), (3349, 17020), (3404, 16745), (3910, 14578), (3940, 14467), (4255, 13396), (4531, 12580), (6290, 9062), (6698, 8510), (7289, 7820)]