257366970

素因数分解:

$2^1\times 3^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2389}}^1$

素因数の和:2434

約数の個数: 160

約数和(自身を含む): 832867200

約数和(自身を除く): 575500230

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 19, 21, 27, 30, 35, 38, 42, 45, 54, 57, 63, 70, 81, 90, 95, 105, 114, 126, 133, 135, 162, 171, 189, 190, 210, 266, 270, 285, 315, 342, 378, 399, 405, 513, 567, 570, 630, 665, 798, 810, 855, 945, 1026, 1134, 1197, 1330, 1539, 1710, 1890, 1995, 2389, 2394, 2565, 2835, 3078, 3591, 3990, 4778, 5130, 5670, 5985, 7167, 7182, 7695, 10773, 11945, 11970, 14334, 15390, 16723, 17955, 21501, 21546, 23890, 33446, 35835, 35910, 43002, 45391, 50169, 53865, 64503, 71670, 83615, 90782, 100338, 107505, 107730, 129006, 136173, 150507, 167230, 193509, 215010, 226955, 250845, 272346, 301014, 317737, 322515, 387018, 408519, 451521, 453910, 501690, 635474, 645030, 680865, 752535, 817038, 903042, 953211, 967545, 1225557, 1354563, 1361730, 1505070, 1588685, 1906422, 1935090, 2042595, 2257605, 2451114, 2709126, 2859633, 3177370, 3676671, 4085190, 4515210, 4766055, 5719266, 6127785, 6772815, 7353342, 8578899, 9532110, 12255570, 13545630, 14298165, 17157798, 18383355, 25736697, 28596330, 36766710, 42894495, 51473394, 85788990, 128683485, 257366970]

約数ペア:

[(1, 257366970), (2, 128683485), (3, 85788990), (5, 51473394), (6, 42894495), (7, 36766710), (9, 28596330), (10, 25736697), (14, 18383355), (15, 17157798), (18, 14298165), (19, 13545630), (21, 12255570), (27, 9532110), (30, 8578899), (35, 7353342), (38, 6772815), (42, 6127785), (45, 5719266), (54, 4766055), (57, 4515210), (63, 4085190), (70, 3676671), (81, 3177370), (90, 2859633), (95, 2709126), (105, 2451114), (114, 2257605), (126, 2042595), (133, 1935090), (135, 1906422), (162, 1588685), (171, 1505070), (189, 1361730), (190, 1354563), (210, 1225557), (266, 967545), (270, 953211), (285, 903042), (315, 817038), (342, 752535), (378, 680865), (399, 645030), (405, 635474), (513, 501690), (567, 453910), (570, 451521), (630, 408519), (665, 387018), (798, 322515), (810, 317737), (855, 301014), (945, 272346), (1026, 250845), (1134, 226955), (1197, 215010), (1330, 193509), (1539, 167230), (1710, 150507), (1890, 136173), (1995, 129006), (2389, 107730), (2394, 107505), (2565, 100338), (2835, 90782), (3078, 83615), (3591, 71670), (3990, 64503), (4778, 53865), (5130, 50169), (5670, 45391), (5985, 43002), (7167, 35910), (7182, 35835), (7695, 33446), (10773, 23890), (11945, 21546), (11970, 21501), (14334, 17955), (15390, 16723)]