2912129020

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^2\times {\mathrm{109}}^1\times {\mathrm{359}}^1$

素因数の和:599

約数の個数: 72

約数和(自身を含む): 6291885600

約数和(自身を除く): 3379756580

約数列:

[1, 2, 4, 5, 10, 20, 61, 109, 122, 218, 244, 305, 359, 436, 545, 610, 718, 1090, 1220, 1436, 1795, 2180, 3590, 3721, 6649, 7180, 7442, 13298, 14884, 18605, 21899, 26596, 33245, 37210, 39131, 43798, 66490, 74420, 78262, 87596, 109495, 132980, 156524, 195655, 218990, 391310, 405589, 437980, 782620, 811178, 1335839, 1622356, 2027945, 2386991, 2671678, 4055890, 4773982, 5343356, 6679195, 8111780, 9547964, 11934955, 13358390, 23869910, 26716780, 47739820, 145606451, 291212902, 582425804, 728032255, 1456064510, 2912129020]

約数ペア:

[(1, 2912129020), (2, 1456064510), (4, 728032255), (5, 582425804), (10, 291212902), (20, 145606451), (61, 47739820), (109, 26716780), (122, 23869910), (218, 13358390), (244, 11934955), (305, 9547964), (359, 8111780), (436, 6679195), (545, 5343356), (610, 4773982), (718, 4055890), (1090, 2671678), (1220, 2386991), (1436, 2027945), (1795, 1622356), (2180, 1335839), (3590, 811178), (3721, 782620), (6649, 437980), (7180, 405589), (7442, 391310), (13298, 218990), (14884, 195655), (18605, 156524), (21899, 132980), (26596, 109495), (33245, 87596), (37210, 78262), (39131, 74420), (43798, 66490)]