490250616

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{439}}^1$

素因数の和:577

約数の個数: 128

約数和(自身を含む): 1351680000

約数和(自身を除く): 861429384

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 31, 38, 57, 62, 76, 79, 93, 114, 124, 152, 158, 186, 228, 237, 248, 316, 372, 439, 456, 474, 589, 632, 744, 878, 948, 1178, 1317, 1501, 1756, 1767, 1896, 2356, 2449, 2634, 3002, 3512, 3534, 4503, 4712, 4898, 5268, 6004, 7068, 7347, 8341, 9006, 9796, 10536, 12008, 13609, 14136, 14694, 16682, 18012, 19592, 25023, 27218, 29388, 33364, 34681, 36024, 40827, 46531, 50046, 54436, 58776, 66728, 69362, 81654, 93062, 100092, 104043, 108872, 138724, 139593, 163308, 186124, 200184, 208086, 258571, 277448, 279186, 326616, 372248, 416172, 517142, 558372, 658939, 775713, 832344, 1034284, 1075111, 1116744, 1317878, 1551426, 1976817, 2068568, 2150222, 2635756, 3102852, 3225333, 3953634, 4300444, 5271512, 6205704, 6450666, 7907268, 8600888, 12901332, 15814536, 20427109, 25802664, 40854218, 61281327, 81708436, 122562654, 163416872, 245125308, 490250616]

約数ペア:

[(1, 490250616), (2, 245125308), (3, 163416872), (4, 122562654), (6, 81708436), (8, 61281327), (12, 40854218), (19, 25802664), (24, 20427109), (31, 15814536), (38, 12901332), (57, 8600888), (62, 7907268), (76, 6450666), (79, 6205704), (93, 5271512), (114, 4300444), (124, 3953634), (152, 3225333), (158, 3102852), (186, 2635756), (228, 2150222), (237, 2068568), (248, 1976817), (316, 1551426), (372, 1317878), (439, 1116744), (456, 1075111), (474, 1034284), (589, 832344), (632, 775713), (744, 658939), (878, 558372), (948, 517142), (1178, 416172), (1317, 372248), (1501, 326616), (1756, 279186), (1767, 277448), (1896, 258571), (2356, 208086), (2449, 200184), (2634, 186124), (3002, 163308), (3512, 139593), (3534, 138724), (4503, 108872), (4712, 104043), (4898, 100092), (5268, 93062), (6004, 81654), (7068, 69362), (7347, 66728), (8341, 58776), (9006, 54436), (9796, 50046), (10536, 46531), (12008, 40827), (13609, 36024), (14136, 34681), (14694, 33364), (16682, 29388), (18012, 27218), (19592, 25023)]