257715276

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{331}}^1$

素因数の和:412

約数の個数: 192

約数和(自身を含む): 799604736

約数和(自身を除く): 541889460

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 23, 26, 28, 31, 39, 42, 46, 52, 62, 69, 78, 84, 91, 92, 93, 124, 138, 156, 161, 182, 186, 217, 273, 276, 299, 322, 331, 364, 372, 403, 434, 483, 546, 598, 644, 651, 662, 713, 806, 868, 897, 966, 993, 1092, 1196, 1209, 1302, 1324, 1426, 1612, 1794, 1932, 1986, 2093, 2139, 2317, 2418, 2604, 2821, 2852, 3588, 3972, 4186, 4278, 4303, 4634, 4836, 4991, 5642, 6279, 6951, 7613, 8372, 8463, 8556, 8606, 9268, 9269, 9982, 10261, 11284, 12558, 12909, 13902, 14973, 15226, 16926, 17212, 18538, 19964, 20522, 22839, 25116, 25818, 27804, 27807, 29946, 30121, 30452, 30783, 33852, 37076, 41044, 45678, 51636, 53291, 55614, 59892, 60242, 61566, 64883, 71827, 90363, 91356, 98969, 106582, 111228, 120484, 123132, 129766, 133393, 143654, 159873, 180726, 194649, 197938, 213164, 215481, 236003, 259532, 266786, 287308, 296907, 319746, 361452, 389298, 395876, 400179, 430962, 472006, 533572, 593814, 639492, 692783, 708009, 778596, 800358, 861924, 933751, 944012, 1187628, 1385566, 1416018, 1600716, 1652021, 1867502, 2078349, 2771132, 2801253, 2832036, 3068039, 3304042, 3735004, 4156698, 4956063, 5602506, 6136078, 6608084, 8313396, 9204117, 9912126, 11205012, 12272156, 18408234, 19824252, 21476273, 36816468, 42952546, 64428819, 85905092, 128857638, 257715276]

約数ペア:

[(1, 257715276), (2, 128857638), (3, 85905092), (4, 64428819), (6, 42952546), (7, 36816468), (12, 21476273), (13, 19824252), (14, 18408234), (21, 12272156), (23, 11205012), (26, 9912126), (28, 9204117), (31, 8313396), (39, 6608084), (42, 6136078), (46, 5602506), (52, 4956063), (62, 4156698), (69, 3735004), (78, 3304042), (84, 3068039), (91, 2832036), (92, 2801253), (93, 2771132), (124, 2078349), (138, 1867502), (156, 1652021), (161, 1600716), (182, 1416018), (186, 1385566), (217, 1187628), (273, 944012), (276, 933751), (299, 861924), (322, 800358), (331, 778596), (364, 708009), (372, 692783), (403, 639492), (434, 593814), (483, 533572), (546, 472006), (598, 430962), (644, 400179), (651, 395876), (662, 389298), (713, 361452), (806, 319746), (868, 296907), (897, 287308), (966, 266786), (993, 259532), (1092, 236003), (1196, 215481), (1209, 213164), (1302, 197938), (1324, 194649), (1426, 180726), (1612, 159873), (1794, 143654), (1932, 133393), (1986, 129766), (2093, 123132), (2139, 120484), (2317, 111228), (2418, 106582), (2604, 98969), (2821, 91356), (2852, 90363), (3588, 71827), (3972, 64883), (4186, 61566), (4278, 60242), (4303, 59892), (4634, 55614), (4836, 53291), (4991, 51636), (5642, 45678), (6279, 41044), (6951, 37076), (7613, 33852), (8372, 30783), (8463, 30452), (8556, 30121), (8606, 29946), (9268, 27807), (9269, 27804), (9982, 25818), (10261, 25116), (11284, 22839), (12558, 20522), (12909, 19964), (13902, 18538), (14973, 17212), (15226, 16926)]