249125240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{769}}^1$

素因数の和:889

約数の個数: 128

約数和(自身を含む): 698544000

約数和(自身を除く): 449418760

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 89, 91, 104, 130, 140, 178, 182, 260, 280, 356, 364, 445, 455, 520, 623, 712, 728, 769, 890, 910, 1157, 1246, 1538, 1780, 1820, 2314, 2492, 3076, 3115, 3560, 3640, 3845, 4628, 4984, 5383, 5785, 6152, 6230, 7690, 8099, 9256, 9997, 10766, 11570, 12460, 15380, 16198, 19994, 21532, 23140, 24920, 26915, 30760, 32396, 39988, 40495, 43064, 46280, 49985, 53830, 64792, 68441, 69979, 79976, 80990, 99970, 107660, 136882, 139958, 161980, 199940, 215320, 273764, 279916, 323960, 342205, 349895, 399880, 479087, 547528, 559832, 684410, 699790, 889733, 958174, 1368820, 1399580, 1779466, 1916348, 2395435, 2737640, 2799160, 3558932, 3832696, 4448665, 4790870, 6228131, 7117864, 8897330, 9581740, 12456262, 17794660, 19163480, 24912524, 31140655, 35589320, 49825048, 62281310, 124562620, 249125240]

約数ペア:

[(1, 249125240), (2, 124562620), (4, 62281310), (5, 49825048), (7, 35589320), (8, 31140655), (10, 24912524), (13, 19163480), (14, 17794660), (20, 12456262), (26, 9581740), (28, 8897330), (35, 7117864), (40, 6228131), (52, 4790870), (56, 4448665), (65, 3832696), (70, 3558932), (89, 2799160), (91, 2737640), (104, 2395435), (130, 1916348), (140, 1779466), (178, 1399580), (182, 1368820), (260, 958174), (280, 889733), (356, 699790), (364, 684410), (445, 559832), (455, 547528), (520, 479087), (623, 399880), (712, 349895), (728, 342205), (769, 323960), (890, 279916), (910, 273764), (1157, 215320), (1246, 199940), (1538, 161980), (1780, 139958), (1820, 136882), (2314, 107660), (2492, 99970), (3076, 80990), (3115, 79976), (3560, 69979), (3640, 68441), (3845, 64792), (4628, 53830), (4984, 49985), (5383, 46280), (5785, 43064), (6152, 40495), (6230, 39988), (7690, 32396), (8099, 30760), (9256, 26915), (9997, 24920), (10766, 23140), (11570, 21532), (12460, 19994), (15380, 16198)]