261570464020

素因数分解:

$2^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{367}}^1\times {\mathrm{467}}^1\times {\mathrm{557}}^1$

素因数の和:1537

約数の個数: 96

約数和(自身を含む): 557001349632

約数和(自身を除く): 295430885612

約数列:

[1, 2, 4, 5, 10, 20, 137, 274, 367, 467, 548, 557, 685, 734, 934, 1114, 1370, 1468, 1835, 1868, 2228, 2335, 2740, 2785, 3670, 4670, 5570, 7340, 9340, 11140, 50279, 63979, 76309, 100558, 127958, 152618, 171389, 201116, 204419, 251395, 255916, 260119, 305236, 319895, 342778, 381545, 408838, 502790, 520238, 639790, 685556, 763090, 817676, 856945, 1005580, 1022095, 1040476, 1279580, 1300595, 1526180, 1713890, 2044190, 2601190, 3427780, 4088380, 5202380, 23480293, 28005403, 35636303, 46960586, 56010806, 71272606, 93921172, 95463673, 112021612, 117401465, 140027015, 142545212, 178181515, 190927346, 234802930, 280054030, 356363030, 381854692, 469605860, 477318365, 560108060, 712726060, 954636730, 1909273460, 13078523201, 26157046402, 52314092804, 65392616005, 130785232010, 261570464020]

約数ペア:

[(1, 261570464020), (2, 130785232010), (4, 65392616005), (5, 52314092804), (10, 26157046402), (20, 13078523201), (137, 1909273460), (274, 954636730), (367, 712726060), (467, 560108060), (548, 477318365), (557, 469605860), (685, 381854692), (734, 356363030), (934, 280054030), (1114, 234802930), (1370, 190927346), (1468, 178181515), (1835, 142545212), (1868, 140027015), (2228, 117401465), (2335, 112021612), (2740, 95463673), (2785, 93921172), (3670, 71272606), (4670, 56010806), (5570, 46960586), (7340, 35636303), (9340, 28005403), (11140, 23480293), (50279, 5202380), (63979, 4088380), (76309, 3427780), (100558, 2601190), (127958, 2044190), (152618, 1713890), (171389, 1526180), (201116, 1300595), (204419, 1279580), (251395, 1040476), (255916, 1022095), (260119, 1005580), (305236, 856945), (319895, 817676), (342778, 763090), (381545, 685556), (408838, 639790), (502790, 520238)]