390231348

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{137}}^1$

素因数の和:238

約数の個数: 144

約数和(自身を含む): 1074346560

約数和(自身を除く): 684115212

約数列:

[1, 2, 3, 4, 6, 12, 13, 19, 26, 31, 38, 39, 52, 57, 62, 76, 78, 93, 114, 124, 137, 156, 186, 228, 247, 274, 372, 403, 411, 494, 548, 589, 741, 806, 822, 961, 988, 1178, 1209, 1482, 1612, 1644, 1767, 1781, 1922, 2356, 2418, 2603, 2883, 2964, 3534, 3562, 3844, 4247, 4836, 5206, 5343, 5766, 7068, 7124, 7657, 7809, 8494, 10412, 10686, 11532, 12493, 12741, 15314, 15618, 16988, 18259, 21372, 22971, 24986, 25482, 30628, 31236, 33839, 36518, 37479, 45942, 49972, 50964, 54777, 55211, 67678, 73036, 74958, 80693, 91884, 101517, 109554, 110422, 131657, 135356, 149916, 161386, 165633, 203034, 219108, 220844, 237367, 242079, 263314, 322772, 331266, 394971, 406068, 474734, 484158, 526628, 662532, 712101, 789942, 949468, 968316, 1049009, 1424202, 1579884, 1711541, 2098018, 2501483, 2848404, 3147027, 3423082, 4196036, 5002966, 5134623, 6294054, 6846164, 7504449, 10005932, 10269246, 12588108, 15008898, 20538492, 30017796, 32519279, 65038558, 97557837, 130077116, 195115674, 390231348]

約数ペア:

[(1, 390231348), (2, 195115674), (3, 130077116), (4, 97557837), (6, 65038558), (12, 32519279), (13, 30017796), (19, 20538492), (26, 15008898), (31, 12588108), (38, 10269246), (39, 10005932), (52, 7504449), (57, 6846164), (62, 6294054), (76, 5134623), (78, 5002966), (93, 4196036), (114, 3423082), (124, 3147027), (137, 2848404), (156, 2501483), (186, 2098018), (228, 1711541), (247, 1579884), (274, 1424202), (372, 1049009), (403, 968316), (411, 949468), (494, 789942), (548, 712101), (589, 662532), (741, 526628), (806, 484158), (822, 474734), (961, 406068), (988, 394971), (1178, 331266), (1209, 322772), (1482, 263314), (1612, 242079), (1644, 237367), (1767, 220844), (1781, 219108), (1922, 203034), (2356, 165633), (2418, 161386), (2603, 149916), (2883, 135356), (2964, 131657), (3534, 110422), (3562, 109554), (3844, 101517), (4247, 91884), (4836, 80693), (5206, 74958), (5343, 73036), (5766, 67678), (7068, 55211), (7124, 54777), (7657, 50964), (7809, 49972), (8494, 45942), (10412, 37479), (10686, 36518), (11532, 33839), (12493, 31236), (12741, 30628), (15314, 25482), (15618, 24986), (16988, 22971), (18259, 21372)]