1948644500

素因数分解:

$2^2\times 5^3\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{1039}}^1$

素因数の和:1111

約数の個数: 144

約数和(自身を含む): 4833454080

約数和(自身を除く): 2884809580

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 31, 44, 50, 55, 62, 100, 110, 121, 124, 125, 155, 220, 242, 250, 275, 310, 341, 484, 500, 550, 605, 620, 682, 775, 1039, 1100, 1210, 1364, 1375, 1550, 1705, 2078, 2420, 2750, 3025, 3100, 3410, 3751, 3875, 4156, 5195, 5500, 6050, 6820, 7502, 7750, 8525, 10390, 11429, 12100, 15004, 15125, 15500, 17050, 18755, 20780, 22858, 25975, 30250, 32209, 34100, 37510, 42625, 45716, 51950, 57145, 60500, 64418, 75020, 85250, 93775, 103900, 114290, 125719, 128836, 129875, 161045, 170500, 187550, 228580, 251438, 259750, 285725, 322090, 354299, 375100, 468875, 502876, 519500, 571450, 628595, 644180, 708598, 805225, 937750, 1142900, 1257190, 1417196, 1428625, 1610450, 1771495, 1875500, 2514380, 2857250, 3142975, 3220900, 3542990, 3897289, 4026125, 5714500, 6285950, 7085980, 7794578, 8052250, 8857475, 12571900, 15589156, 15714875, 16104500, 17714950, 19486445, 31429750, 35429900, 38972890, 44287375, 62859500, 77945780, 88574750, 97432225, 177149500, 194864450, 389728900, 487161125, 974322250, 1948644500]

約数ペア:

[(1, 1948644500), (2, 974322250), (4, 487161125), (5, 389728900), (10, 194864450), (11, 177149500), (20, 97432225), (22, 88574750), (25, 77945780), (31, 62859500), (44, 44287375), (50, 38972890), (55, 35429900), (62, 31429750), (100, 19486445), (110, 17714950), (121, 16104500), (124, 15714875), (125, 15589156), (155, 12571900), (220, 8857475), (242, 8052250), (250, 7794578), (275, 7085980), (310, 6285950), (341, 5714500), (484, 4026125), (500, 3897289), (550, 3542990), (605, 3220900), (620, 3142975), (682, 2857250), (775, 2514380), (1039, 1875500), (1100, 1771495), (1210, 1610450), (1364, 1428625), (1375, 1417196), (1550, 1257190), (1705, 1142900), (2078, 937750), (2420, 805225), (2750, 708598), (3025, 644180), (3100, 628595), (3410, 571450), (3751, 519500), (3875, 502876), (4156, 468875), (5195, 375100), (5500, 354299), (6050, 322090), (6820, 285725), (7502, 259750), (7750, 251438), (8525, 228580), (10390, 187550), (11429, 170500), (12100, 161045), (15004, 129875), (15125, 128836), (15500, 125719), (17050, 114290), (18755, 103900), (20780, 93775), (22858, 85250), (25975, 75020), (30250, 64418), (32209, 60500), (34100, 57145), (37510, 51950), (42625, 45716)]