1946127920

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{71339}}^1$

素因数の和:71394

約数の個数: 80

約数和(自身を含む): 5095388160

約数和(自身を除く): 3149260240

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 40, 44, 55, 62, 80, 88, 110, 124, 155, 176, 220, 248, 310, 341, 440, 496, 620, 682, 880, 1240, 1364, 1705, 2480, 2728, 3410, 5456, 6820, 13640, 27280, 71339, 142678, 285356, 356695, 570712, 713390, 784729, 1141424, 1426780, 1569458, 2211509, 2853560, 3138916, 3923645, 4423018, 5707120, 6277832, 7847290, 8846036, 11057545, 12555664, 15694580, 17692072, 22115090, 24326599, 31389160, 35384144, 44230180, 48653198, 62778320, 88460360, 97306396, 121632995, 176920720, 194612792, 243265990, 389225584, 486531980, 973063960, 1946127920]

約数ペア:

[(1, 1946127920), (2, 973063960), (4, 486531980), (5, 389225584), (8, 243265990), (10, 194612792), (11, 176920720), (16, 121632995), (20, 97306396), (22, 88460360), (31, 62778320), (40, 48653198), (44, 44230180), (55, 35384144), (62, 31389160), (80, 24326599), (88, 22115090), (110, 17692072), (124, 15694580), (155, 12555664), (176, 11057545), (220, 8846036), (248, 7847290), (310, 6277832), (341, 5707120), (440, 4423018), (496, 3923645), (620, 3138916), (682, 2853560), (880, 2211509), (1240, 1569458), (1364, 1426780), (1705, 1141424), (2480, 784729), (2728, 713390), (3410, 570712), (5456, 356695), (6820, 285356), (13640, 142678), (27280, 71339)]