318332420

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{487}}^1$

素因数の和:562

約数の個数: 144

約数和(自身を含む): 841155840

約数和(自身を除く): 522823420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 29, 35, 46, 49, 58, 70, 92, 98, 115, 116, 140, 145, 161, 196, 203, 230, 245, 290, 322, 406, 460, 487, 490, 580, 644, 667, 805, 812, 974, 980, 1015, 1127, 1334, 1421, 1610, 1948, 2030, 2254, 2435, 2668, 2842, 3220, 3335, 3409, 4060, 4508, 4669, 4870, 5635, 5684, 6670, 6818, 7105, 9338, 9740, 11201, 11270, 13340, 13636, 14123, 14210, 17045, 18676, 22402, 22540, 23345, 23863, 28246, 28420, 32683, 34090, 44804, 46690, 47726, 56005, 56492, 65366, 68180, 70615, 78407, 93380, 95452, 98861, 112010, 119315, 130732, 141230, 156814, 163415, 197722, 224020, 238630, 282460, 313628, 324829, 326830, 392035, 395444, 477260, 494305, 548849, 649658, 653660, 692027, 784070, 988610, 1097698, 1299316, 1384054, 1568140, 1624145, 1977220, 2195396, 2273803, 2744245, 2768108, 3248290, 3460135, 4547606, 5488490, 6496580, 6920270, 9095212, 10976980, 11369015, 13840540, 15916621, 22738030, 31833242, 45476060, 63666484, 79583105, 159166210, 318332420]

約数ペア:

[(1, 318332420), (2, 159166210), (4, 79583105), (5, 63666484), (7, 45476060), (10, 31833242), (14, 22738030), (20, 15916621), (23, 13840540), (28, 11369015), (29, 10976980), (35, 9095212), (46, 6920270), (49, 6496580), (58, 5488490), (70, 4547606), (92, 3460135), (98, 3248290), (115, 2768108), (116, 2744245), (140, 2273803), (145, 2195396), (161, 1977220), (196, 1624145), (203, 1568140), (230, 1384054), (245, 1299316), (290, 1097698), (322, 988610), (406, 784070), (460, 692027), (487, 653660), (490, 649658), (580, 548849), (644, 494305), (667, 477260), (805, 395444), (812, 392035), (974, 326830), (980, 324829), (1015, 313628), (1127, 282460), (1334, 238630), (1421, 224020), (1610, 197722), (1948, 163415), (2030, 156814), (2254, 141230), (2435, 130732), (2668, 119315), (2842, 112010), (3220, 98861), (3335, 95452), (3409, 93380), (4060, 78407), (4508, 70615), (4669, 68180), (4870, 65366), (5635, 56492), (5684, 56005), (6670, 47726), (6818, 46690), (7105, 44804), (9338, 34090), (9740, 32683), (11201, 28420), (11270, 28246), (13340, 23863), (13636, 23345), (14123, 22540), (14210, 22402), (17045, 18676)]