278398889720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{619}}^1\times {\mathrm{30307}}^1$

素因数の和:30997

約数の個数: 128

約数和(自身を含む): 730592524800

約数和(自身を除く): 452193635080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 53, 56, 70, 106, 140, 212, 265, 280, 371, 424, 530, 619, 742, 1060, 1238, 1484, 1855, 2120, 2476, 2968, 3095, 3710, 4333, 4952, 6190, 7420, 8666, 12380, 14840, 17332, 21665, 24760, 30307, 32807, 34664, 43330, 60614, 65614, 86660, 121228, 131228, 151535, 164035, 173320, 212149, 229649, 242456, 262456, 303070, 328070, 424298, 459298, 606140, 656140, 848596, 918596, 1060745, 1148245, 1212280, 1312280, 1606271, 1697192, 1837192, 2121490, 2296490, 3212542, 4242980, 4592980, 6425084, 8031355, 8485960, 9185960, 11243897, 12850168, 16062710, 18760033, 22487794, 32125420, 37520066, 44975588, 56219485, 64250840, 75040132, 89951176, 93800165, 112438970, 131320231, 150080264, 187600330, 224877940, 262640462, 375200660, 449755880, 525280924, 656601155, 750401320, 994281749, 1050561848, 1313202310, 1988563498, 2626404620, 3977126996, 4971408745, 5252809240, 6959972243, 7954253992, 9942817490, 13919944486, 19885634980, 27839888972, 34799861215, 39771269960, 55679777944, 69599722430, 139199444860, 278398889720]

約数ペア:

[(1, 278398889720), (2, 139199444860), (4, 69599722430), (5, 55679777944), (7, 39771269960), (8, 34799861215), (10, 27839888972), (14, 19885634980), (20, 13919944486), (28, 9942817490), (35, 7954253992), (40, 6959972243), (53, 5252809240), (56, 4971408745), (70, 3977126996), (106, 2626404620), (140, 1988563498), (212, 1313202310), (265, 1050561848), (280, 994281749), (371, 750401320), (424, 656601155), (530, 525280924), (619, 449755880), (742, 375200660), (1060, 262640462), (1238, 224877940), (1484, 187600330), (1855, 150080264), (2120, 131320231), (2476, 112438970), (2968, 93800165), (3095, 89951176), (3710, 75040132), (4333, 64250840), (4952, 56219485), (6190, 44975588), (7420, 37520066), (8666, 32125420), (12380, 22487794), (14840, 18760033), (17332, 16062710), (21665, 12850168), (24760, 11243897), (30307, 9185960), (32807, 8485960), (34664, 8031355), (43330, 6425084), (60614, 4592980), (65614, 4242980), (86660, 3212542), (121228, 2296490), (131228, 2121490), (151535, 1837192), (164035, 1697192), (173320, 1606271), (212149, 1312280), (229649, 1212280), (242456, 1148245), (262456, 1060745), (303070, 918596), (328070, 848596), (424298, 656140), (459298, 606140)]