259953820

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{607}}^1$

素因数の和:672

約数の個数: 144

約数和(自身を含む): 698664960

約数和(自身を除く): 438711140

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 23, 28, 35, 38, 46, 49, 70, 76, 92, 95, 98, 115, 133, 140, 161, 190, 196, 230, 245, 266, 322, 380, 437, 460, 490, 532, 607, 644, 665, 805, 874, 931, 980, 1127, 1214, 1330, 1610, 1748, 1862, 2185, 2254, 2428, 2660, 3035, 3059, 3220, 3724, 4249, 4370, 4508, 4655, 5635, 6070, 6118, 8498, 8740, 9310, 11270, 11533, 12140, 12236, 13961, 15295, 16996, 18620, 21245, 21413, 22540, 23066, 27922, 29743, 30590, 42490, 42826, 46132, 55844, 57665, 59486, 61180, 69805, 80731, 84980, 85652, 97727, 107065, 115330, 118972, 139610, 148715, 161462, 195454, 214130, 230660, 265259, 279220, 297430, 322924, 390908, 403655, 428260, 488635, 530518, 565117, 594860, 684089, 807310, 977270, 1061036, 1130234, 1326295, 1368178, 1614620, 1856813, 1954540, 2260468, 2652590, 2736356, 2825585, 3420445, 3713626, 5305180, 5651170, 6840890, 7427252, 9284065, 11302340, 12997691, 13681780, 18568130, 25995382, 37136260, 51990764, 64988455, 129976910, 259953820]

約数ペア:

[(1, 259953820), (2, 129976910), (4, 64988455), (5, 51990764), (7, 37136260), (10, 25995382), (14, 18568130), (19, 13681780), (20, 12997691), (23, 11302340), (28, 9284065), (35, 7427252), (38, 6840890), (46, 5651170), (49, 5305180), (70, 3713626), (76, 3420445), (92, 2825585), (95, 2736356), (98, 2652590), (115, 2260468), (133, 1954540), (140, 1856813), (161, 1614620), (190, 1368178), (196, 1326295), (230, 1130234), (245, 1061036), (266, 977270), (322, 807310), (380, 684089), (437, 594860), (460, 565117), (490, 530518), (532, 488635), (607, 428260), (644, 403655), (665, 390908), (805, 322924), (874, 297430), (931, 279220), (980, 265259), (1127, 230660), (1214, 214130), (1330, 195454), (1610, 161462), (1748, 148715), (1862, 139610), (2185, 118972), (2254, 115330), (2428, 107065), (2660, 97727), (3035, 85652), (3059, 84980), (3220, 80731), (3724, 69805), (4249, 61180), (4370, 59486), (4508, 57665), (4655, 55844), (5635, 46132), (6070, 42826), (6118, 42490), (8498, 30590), (8740, 29743), (9310, 27922), (11270, 23066), (11533, 22540), (12140, 21413), (12236, 21245), (13961, 18620), (15295, 16996)]