8988237580

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{487}}^1\times {\mathrm{509}}^1$

素因数の和:1056

約数の個数: 144

約数和(自身を含む): 22641111360

約数和(自身を除く): 13652873780

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 49, 70, 74, 98, 140, 148, 185, 196, 245, 259, 370, 487, 490, 509, 518, 740, 974, 980, 1018, 1036, 1295, 1813, 1948, 2036, 2435, 2545, 2590, 3409, 3563, 3626, 4870, 5090, 5180, 6818, 7126, 7252, 9065, 9740, 10180, 13636, 14252, 17045, 17815, 18019, 18130, 18833, 23863, 24941, 34090, 35630, 36038, 36260, 37666, 47726, 49882, 68180, 71260, 72076, 75332, 90095, 94165, 95452, 99764, 119315, 124705, 126133, 131831, 180190, 188330, 238630, 247883, 249410, 252266, 263662, 360380, 376660, 477260, 495766, 498820, 504532, 527324, 630665, 659155, 882931, 922817, 991532, 1239415, 1261330, 1318310, 1735181, 1765862, 1845634, 2478830, 2522660, 2636620, 3470362, 3531724, 3691268, 4414655, 4614085, 4957660, 6940724, 8675905, 8829310, 9171671, 9228170, 12146267, 17351810, 17658620, 18343342, 18456340, 24292534, 34703620, 36686684, 45858355, 48585068, 60731335, 64201697, 91716710, 121462670, 128403394, 183433420, 242925340, 256806788, 321008485, 449411879, 642016970, 898823758, 1284033940, 1797647516, 2247059395, 4494118790, 8988237580]

約数ペア:

[(1, 8988237580), (2, 4494118790), (4, 2247059395), (5, 1797647516), (7, 1284033940), (10, 898823758), (14, 642016970), (20, 449411879), (28, 321008485), (35, 256806788), (37, 242925340), (49, 183433420), (70, 128403394), (74, 121462670), (98, 91716710), (140, 64201697), (148, 60731335), (185, 48585068), (196, 45858355), (245, 36686684), (259, 34703620), (370, 24292534), (487, 18456340), (490, 18343342), (509, 17658620), (518, 17351810), (740, 12146267), (974, 9228170), (980, 9171671), (1018, 8829310), (1036, 8675905), (1295, 6940724), (1813, 4957660), (1948, 4614085), (2036, 4414655), (2435, 3691268), (2545, 3531724), (2590, 3470362), (3409, 2636620), (3563, 2522660), (3626, 2478830), (4870, 1845634), (5090, 1765862), (5180, 1735181), (6818, 1318310), (7126, 1261330), (7252, 1239415), (9065, 991532), (9740, 922817), (10180, 882931), (13636, 659155), (14252, 630665), (17045, 527324), (17815, 504532), (18019, 498820), (18130, 495766), (18833, 477260), (23863, 376660), (24941, 360380), (34090, 263662), (35630, 252266), (36038, 249410), (36260, 247883), (37666, 238630), (47726, 188330), (49882, 180190), (68180, 131831), (71260, 126133), (72076, 124705), (75332, 119315), (90095, 99764), (94165, 95452)]