279293140

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{12391}}^1$

素因数の和:12437

約数の個数: 72

約数和(自身を含む): 711994752

約数和(自身を除く): 432701612

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 49, 70, 92, 98, 115, 140, 161, 196, 230, 245, 322, 460, 490, 644, 805, 980, 1127, 1610, 2254, 3220, 4508, 5635, 11270, 12391, 22540, 24782, 49564, 61955, 86737, 123910, 173474, 247820, 284993, 346948, 433685, 569986, 607159, 867370, 1139972, 1214318, 1424965, 1734740, 1994951, 2428636, 2849930, 3035795, 3989902, 5699860, 6071590, 7979804, 9974755, 12143180, 13964657, 19949510, 27929314, 39899020, 55858628, 69823285, 139646570, 279293140]

約数ペア:

[(1, 279293140), (2, 139646570), (4, 69823285), (5, 55858628), (7, 39899020), (10, 27929314), (14, 19949510), (20, 13964657), (23, 12143180), (28, 9974755), (35, 7979804), (46, 6071590), (49, 5699860), (70, 3989902), (92, 3035795), (98, 2849930), (115, 2428636), (140, 1994951), (161, 1734740), (196, 1424965), (230, 1214318), (245, 1139972), (322, 867370), (460, 607159), (490, 569986), (644, 433685), (805, 346948), (980, 284993), (1127, 247820), (1610, 173474), (2254, 123910), (3220, 86737), (4508, 61955), (5635, 49564), (11270, 24782), (12391, 22540)]