208030460

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1$

素因数の和:168

約数の個数: 144

約数和(自身を含む): 514805760

約数和(自身を除く): 306775300

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 47, 55, 59, 62, 94, 110, 118, 121, 124, 155, 188, 220, 235, 236, 242, 295, 310, 341, 470, 484, 517, 590, 605, 620, 649, 682, 940, 1034, 1180, 1210, 1298, 1364, 1457, 1705, 1829, 2068, 2420, 2585, 2596, 2773, 2914, 3245, 3410, 3658, 3751, 5170, 5546, 5687, 5828, 6490, 6820, 7139, 7285, 7316, 7502, 9145, 10340, 11092, 11374, 12980, 13865, 14278, 14570, 15004, 16027, 18290, 18755, 20119, 22748, 27730, 28435, 28556, 29140, 30503, 32054, 35695, 36580, 37510, 40238, 55460, 56870, 61006, 64108, 71390, 75020, 80135, 80476, 85963, 100595, 113740, 122012, 142780, 152515, 160270, 171926, 176297, 201190, 221309, 305030, 320540, 335533, 343852, 352594, 402380, 429815, 442618, 610060, 671066, 705188, 859630, 881485, 885236, 945593, 1106545, 1342132, 1677665, 1719260, 1762970, 1891186, 2213090, 3355330, 3525940, 3782372, 4426180, 4727965, 6710660, 9455930, 10401523, 18911860, 20803046, 41606092, 52007615, 104015230, 208030460]

約数ペア:

[(1, 208030460), (2, 104015230), (4, 52007615), (5, 41606092), (10, 20803046), (11, 18911860), (20, 10401523), (22, 9455930), (31, 6710660), (44, 4727965), (47, 4426180), (55, 3782372), (59, 3525940), (62, 3355330), (94, 2213090), (110, 1891186), (118, 1762970), (121, 1719260), (124, 1677665), (155, 1342132), (188, 1106545), (220, 945593), (235, 885236), (236, 881485), (242, 859630), (295, 705188), (310, 671066), (341, 610060), (470, 442618), (484, 429815), (517, 402380), (590, 352594), (605, 343852), (620, 335533), (649, 320540), (682, 305030), (940, 221309), (1034, 201190), (1180, 176297), (1210, 171926), (1298, 160270), (1364, 152515), (1457, 142780), (1705, 122012), (1829, 113740), (2068, 100595), (2420, 85963), (2585, 80476), (2596, 80135), (2773, 75020), (2914, 71390), (3245, 64108), (3410, 61006), (3658, 56870), (3751, 55460), (5170, 40238), (5546, 37510), (5687, 36580), (5828, 35695), (6490, 32054), (6820, 30503), (7139, 29140), (7285, 28556), (7316, 28435), (7502, 27730), (9145, 22748), (10340, 20119), (11092, 18755), (11374, 18290), (12980, 16027), (13865, 15004), (14278, 14570)]