1280453450

素因数分解:

$2^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{269}}^1$

素因数の和:432

約数の個数: 96

約数和(自身を含む): 2564835840

約数和(自身を除く): 1284382390

約数列:

[1, 2, 5, 10, 25, 31, 37, 50, 62, 74, 83, 155, 166, 185, 269, 310, 370, 415, 538, 775, 830, 925, 1147, 1345, 1550, 1850, 2075, 2294, 2573, 2690, 3071, 4150, 5146, 5735, 6142, 6725, 8339, 9953, 11470, 12865, 13450, 15355, 16678, 19906, 22327, 25730, 28675, 30710, 41695, 44654, 49765, 57350, 64325, 76775, 83390, 95201, 99530, 111635, 128650, 153550, 190402, 208475, 223270, 248825, 308543, 416950, 476005, 497650, 558175, 617086, 692137, 826099, 952010, 1116350, 1384274, 1542715, 1652198, 2380025, 3085430, 3460685, 4130495, 4760050, 6921370, 7713575, 8260990, 15427150, 17303425, 20652475, 25609069, 34606850, 41304950, 51218138, 128045345, 256090690, 640226725, 1280453450]

約数ペア:

[(1, 1280453450), (2, 640226725), (5, 256090690), (10, 128045345), (25, 51218138), (31, 41304950), (37, 34606850), (50, 25609069), (62, 20652475), (74, 17303425), (83, 15427150), (155, 8260990), (166, 7713575), (185, 6921370), (269, 4760050), (310, 4130495), (370, 3460685), (415, 3085430), (538, 2380025), (775, 1652198), (830, 1542715), (925, 1384274), (1147, 1116350), (1345, 952010), (1550, 826099), (1850, 692137), (2075, 617086), (2294, 558175), (2573, 497650), (2690, 476005), (3071, 416950), (4150, 308543), (5146, 248825), (5735, 223270), (6142, 208475), (6725, 190402), (8339, 153550), (9953, 128650), (11470, 111635), (12865, 99530), (13450, 95201), (15355, 83390), (16678, 76775), (19906, 64325), (22327, 57350), (25730, 49765), (28675, 44654), (30710, 41695)]