205720278310

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{809}}^1\times {\mathrm{9883}}^1$

素因数の和:10813

約数の個数: 64

約数和(自身を含む): 387364239360

約数和(自身を除く): 181643961050

約数列:

[1, 2, 5, 10, 31, 62, 83, 155, 166, 310, 415, 809, 830, 1618, 2573, 4045, 5146, 8090, 9883, 12865, 19766, 25079, 25730, 49415, 50158, 67147, 98830, 125395, 134294, 250790, 306373, 335735, 612746, 671470, 820289, 1531865, 1640578, 2081557, 3063730, 4101445, 4163114, 7995347, 8202890, 10407785, 15990694, 20815570, 25428959, 39976735, 50857918, 79953470, 127144795, 247855757, 254289590, 495711514, 663613801, 1239278785, 1327227602, 2478557570, 3318069005, 6636138010, 20572027831, 41144055662, 102860139155, 205720278310]

約数ペア:

[(1, 205720278310), (2, 102860139155), (5, 41144055662), (10, 20572027831), (31, 6636138010), (62, 3318069005), (83, 2478557570), (155, 1327227602), (166, 1239278785), (310, 663613801), (415, 495711514), (809, 254289590), (830, 247855757), (1618, 127144795), (2573, 79953470), (4045, 50857918), (5146, 39976735), (8090, 25428959), (9883, 20815570), (12865, 15990694), (19766, 10407785), (25079, 8202890), (25730, 7995347), (49415, 4163114), (50158, 4101445), (67147, 3063730), (98830, 2081557), (125395, 1640578), (134294, 1531865), (250790, 820289), (306373, 671470), (335735, 612746)]