259161980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{829}}^1$

素因数の和:892

約数の個数: 144

約数和(自身を含む): 715327200

約数和(自身を除く): 456165220

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 29, 35, 44, 49, 55, 58, 70, 77, 98, 110, 116, 140, 145, 154, 196, 203, 220, 245, 290, 308, 319, 385, 406, 490, 539, 580, 638, 770, 812, 829, 980, 1015, 1078, 1276, 1421, 1540, 1595, 1658, 2030, 2156, 2233, 2695, 2842, 3190, 3316, 4060, 4145, 4466, 5390, 5684, 5803, 6380, 7105, 8290, 8932, 9119, 10780, 11165, 11606, 14210, 15631, 16580, 18238, 22330, 23212, 24041, 28420, 29015, 31262, 36476, 40621, 44660, 45595, 48082, 58030, 62524, 63833, 78155, 81242, 91190, 96164, 116060, 120205, 127666, 156310, 162484, 168287, 182380, 203105, 240410, 255332, 264451, 312620, 319165, 336574, 406210, 446831, 480820, 528902, 638330, 673148, 812420, 841435, 893662, 1057804, 1178009, 1276660, 1322255, 1682870, 1787324, 1851157, 2234155, 2356018, 2644510, 3365740, 3702314, 4468310, 4712036, 5289020, 5890045, 7404628, 8936620, 9255785, 11780090, 12958099, 18511570, 23560180, 25916198, 37023140, 51832396, 64790495, 129580990, 259161980]

約数ペア:

[(1, 259161980), (2, 129580990), (4, 64790495), (5, 51832396), (7, 37023140), (10, 25916198), (11, 23560180), (14, 18511570), (20, 12958099), (22, 11780090), (28, 9255785), (29, 8936620), (35, 7404628), (44, 5890045), (49, 5289020), (55, 4712036), (58, 4468310), (70, 3702314), (77, 3365740), (98, 2644510), (110, 2356018), (116, 2234155), (140, 1851157), (145, 1787324), (154, 1682870), (196, 1322255), (203, 1276660), (220, 1178009), (245, 1057804), (290, 893662), (308, 841435), (319, 812420), (385, 673148), (406, 638330), (490, 528902), (539, 480820), (580, 446831), (638, 406210), (770, 336574), (812, 319165), (829, 312620), (980, 264451), (1015, 255332), (1078, 240410), (1276, 203105), (1421, 182380), (1540, 168287), (1595, 162484), (1658, 156310), (2030, 127666), (2156, 120205), (2233, 116060), (2695, 96164), (2842, 91190), (3190, 81242), (3316, 78155), (4060, 63833), (4145, 62524), (4466, 58030), (5390, 48082), (5684, 45595), (5803, 44660), (6380, 40621), (7105, 36476), (8290, 31262), (8932, 29015), (9119, 28420), (10780, 24041), (11165, 23212), (11606, 22330), (14210, 18238), (15631, 16580)]