211555500

素因数分解:

$2^2\times 3^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{571}}^1$

素因数の和:625

約数の個数: 192

約数和(自身を含む): 699578880

約数和(自身を除く): 488023380

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 19, 20, 25, 26, 30, 38, 39, 50, 52, 57, 60, 65, 75, 76, 78, 95, 100, 114, 125, 130, 150, 156, 190, 195, 228, 247, 250, 260, 285, 300, 325, 375, 380, 390, 475, 494, 500, 570, 571, 650, 741, 750, 780, 950, 975, 988, 1140, 1142, 1235, 1300, 1425, 1482, 1500, 1625, 1713, 1900, 1950, 2284, 2375, 2470, 2850, 2855, 2964, 3250, 3426, 3705, 3900, 4750, 4875, 4940, 5700, 5710, 6175, 6500, 6852, 7125, 7410, 7423, 8565, 9500, 9750, 10849, 11420, 12350, 14250, 14275, 14820, 14846, 17130, 18525, 19500, 21698, 22269, 24700, 28500, 28550, 29692, 30875, 32547, 34260, 37050, 37115, 42825, 43396, 44538, 54245, 57100, 61750, 65094, 71375, 74100, 74230, 85650, 89076, 92625, 108490, 111345, 123500, 130188, 141037, 142750, 148460, 162735, 171300, 185250, 185575, 214125, 216980, 222690, 271225, 282074, 285500, 325470, 370500, 371150, 423111, 428250, 445380, 542450, 556725, 564148, 650940, 705185, 742300, 813675, 846222, 856500, 927875, 1084900, 1113450, 1356125, 1410370, 1627350, 1692444, 1855750, 2115555, 2226900, 2712250, 2783625, 2820740, 3254700, 3525925, 3711500, 4068375, 4231110, 5424500, 5567250, 7051850, 8136750, 8462220, 10577775, 11134500, 14103700, 16273500, 17629625, 21155550, 35259250, 42311100, 52888875, 70518500, 105777750, 211555500]

約数ペア:

[(1, 211555500), (2, 105777750), (3, 70518500), (4, 52888875), (5, 42311100), (6, 35259250), (10, 21155550), (12, 17629625), (13, 16273500), (15, 14103700), (19, 11134500), (20, 10577775), (25, 8462220), (26, 8136750), (30, 7051850), (38, 5567250), (39, 5424500), (50, 4231110), (52, 4068375), (57, 3711500), (60, 3525925), (65, 3254700), (75, 2820740), (76, 2783625), (78, 2712250), (95, 2226900), (100, 2115555), (114, 1855750), (125, 1692444), (130, 1627350), (150, 1410370), (156, 1356125), (190, 1113450), (195, 1084900), (228, 927875), (247, 856500), (250, 846222), (260, 813675), (285, 742300), (300, 705185), (325, 650940), (375, 564148), (380, 556725), (390, 542450), (475, 445380), (494, 428250), (500, 423111), (570, 371150), (571, 370500), (650, 325470), (741, 285500), (750, 282074), (780, 271225), (950, 222690), (975, 216980), (988, 214125), (1140, 185575), (1142, 185250), (1235, 171300), (1300, 162735), (1425, 148460), (1482, 142750), (1500, 141037), (1625, 130188), (1713, 123500), (1900, 111345), (1950, 108490), (2284, 92625), (2375, 89076), (2470, 85650), (2850, 74230), (2855, 74100), (2964, 71375), (3250, 65094), (3426, 61750), (3705, 57100), (3900, 54245), (4750, 44538), (4875, 43396), (4940, 42825), (5700, 37115), (5710, 37050), (6175, 34260), (6500, 32547), (6852, 30875), (7125, 29692), (7410, 28550), (7423, 28500), (8565, 24700), (9500, 22269), (9750, 21698), (10849, 19500), (11420, 18525), (12350, 17130), (14250, 14846), (14275, 14820)]