8407428820

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{337}}^1\times {\mathrm{25457}}^1$

素因数の和:25817

約数の個数: 72

約数和(自身を含む): 20599900776

約数和(自身を除く): 12192471956

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 337, 490, 674, 980, 1348, 1685, 2359, 3370, 4718, 6740, 9436, 11795, 16513, 23590, 25457, 33026, 47180, 50914, 66052, 82565, 101828, 127285, 165130, 178199, 254570, 330260, 356398, 509140, 712796, 890995, 1247393, 1781990, 2494786, 3563980, 4989572, 6236965, 8579009, 12473930, 17158018, 24947860, 34316036, 42895045, 60053063, 85790090, 120106126, 171580180, 240212252, 300265315, 420371441, 600530630, 840742882, 1201061260, 1681485764, 2101857205, 4203714410, 8407428820]

約数ペア:

[(1, 8407428820), (2, 4203714410), (4, 2101857205), (5, 1681485764), (7, 1201061260), (10, 840742882), (14, 600530630), (20, 420371441), (28, 300265315), (35, 240212252), (49, 171580180), (70, 120106126), (98, 85790090), (140, 60053063), (196, 42895045), (245, 34316036), (337, 24947860), (490, 17158018), (674, 12473930), (980, 8579009), (1348, 6236965), (1685, 4989572), (2359, 3563980), (3370, 2494786), (4718, 1781990), (6740, 1247393), (9436, 890995), (11795, 712796), (16513, 509140), (23590, 356398), (25457, 330260), (33026, 254570), (47180, 178199), (50914, 165130), (66052, 127285), (82565, 101828)]