265794620

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{673}}^1$

素因数の和:740

約数の個数: 144

約数和(自身を含む): 722873088

約数和(自身を除く): 457078468

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 31, 35, 49, 52, 62, 65, 70, 91, 98, 124, 130, 140, 155, 182, 196, 217, 245, 260, 310, 364, 403, 434, 455, 490, 620, 637, 673, 806, 868, 910, 980, 1085, 1274, 1346, 1519, 1612, 1820, 2015, 2170, 2548, 2692, 2821, 3038, 3185, 3365, 4030, 4340, 4711, 5642, 6076, 6370, 6730, 7595, 8060, 8749, 9422, 11284, 12740, 13460, 14105, 15190, 17498, 18844, 19747, 20863, 23555, 28210, 30380, 32977, 34996, 39494, 41726, 43745, 47110, 56420, 61243, 65954, 78988, 83452, 87490, 94220, 98735, 104315, 122486, 131908, 146041, 164885, 174980, 197470, 208630, 244972, 271219, 292082, 306215, 329770, 394940, 417260, 428701, 542438, 584164, 612430, 659540, 730205, 857402, 1022287, 1084876, 1224860, 1356095, 1460410, 1714804, 1898533, 2044574, 2143505, 2712190, 2920820, 3797066, 4089148, 4287010, 5111435, 5424380, 7594132, 8574020, 9492665, 10222870, 13289731, 18985330, 20445740, 26579462, 37970660, 53158924, 66448655, 132897310, 265794620]

約数ペア:

[(1, 265794620), (2, 132897310), (4, 66448655), (5, 53158924), (7, 37970660), (10, 26579462), (13, 20445740), (14, 18985330), (20, 13289731), (26, 10222870), (28, 9492665), (31, 8574020), (35, 7594132), (49, 5424380), (52, 5111435), (62, 4287010), (65, 4089148), (70, 3797066), (91, 2920820), (98, 2712190), (124, 2143505), (130, 2044574), (140, 1898533), (155, 1714804), (182, 1460410), (196, 1356095), (217, 1224860), (245, 1084876), (260, 1022287), (310, 857402), (364, 730205), (403, 659540), (434, 612430), (455, 584164), (490, 542438), (620, 428701), (637, 417260), (673, 394940), (806, 329770), (868, 306215), (910, 292082), (980, 271219), (1085, 244972), (1274, 208630), (1346, 197470), (1519, 174980), (1612, 164885), (1820, 146041), (2015, 131908), (2170, 122486), (2548, 104315), (2692, 98735), (2821, 94220), (3038, 87490), (3185, 83452), (3365, 78988), (4030, 65954), (4340, 61243), (4711, 56420), (5642, 47110), (6076, 43745), (6370, 41726), (6730, 39494), (7595, 34996), (8060, 32977), (8749, 30380), (9422, 28210), (11284, 23555), (12740, 20863), (13460, 19747), (14105, 18844), (15190, 17498)]