72412900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1$

素因数の和:170

約数の個数: 144

約数和(自身を含む): 191987712

約数和(自身を除く): 119574812

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 31, 35, 47, 50, 62, 70, 71, 94, 100, 124, 140, 142, 155, 175, 188, 217, 235, 284, 310, 329, 350, 355, 434, 470, 497, 620, 658, 700, 710, 775, 868, 940, 994, 1085, 1175, 1316, 1420, 1457, 1550, 1645, 1775, 1988, 2170, 2201, 2350, 2485, 2914, 3100, 3290, 3337, 3550, 4340, 4402, 4700, 4970, 5425, 5828, 6580, 6674, 7100, 7285, 8225, 8804, 9940, 10199, 10850, 11005, 12425, 13348, 14570, 15407, 16450, 16685, 20398, 21700, 22010, 23359, 24850, 29140, 30814, 32900, 33370, 36425, 40796, 44020, 46718, 49700, 50995, 55025, 61628, 66740, 72850, 77035, 83425, 93436, 101990, 103447, 110050, 116795, 145700, 154070, 166850, 203980, 206894, 220100, 233590, 254975, 308140, 333700, 385175, 413788, 467180, 509950, 517235, 583975, 724129, 770350, 1019900, 1034470, 1167950, 1448258, 1540700, 2068940, 2335900, 2586175, 2896516, 3620645, 5172350, 7241290, 10344700, 14482580, 18103225, 36206450, 72412900]

約数ペア:

[(1, 72412900), (2, 36206450), (4, 18103225), (5, 14482580), (7, 10344700), (10, 7241290), (14, 5172350), (20, 3620645), (25, 2896516), (28, 2586175), (31, 2335900), (35, 2068940), (47, 1540700), (50, 1448258), (62, 1167950), (70, 1034470), (71, 1019900), (94, 770350), (100, 724129), (124, 583975), (140, 517235), (142, 509950), (155, 467180), (175, 413788), (188, 385175), (217, 333700), (235, 308140), (284, 254975), (310, 233590), (329, 220100), (350, 206894), (355, 203980), (434, 166850), (470, 154070), (497, 145700), (620, 116795), (658, 110050), (700, 103447), (710, 101990), (775, 93436), (868, 83425), (940, 77035), (994, 72850), (1085, 66740), (1175, 61628), (1316, 55025), (1420, 50995), (1457, 49700), (1550, 46718), (1645, 44020), (1775, 40796), (1988, 36425), (2170, 33370), (2201, 32900), (2350, 30814), (2485, 29140), (2914, 24850), (3100, 23359), (3290, 22010), (3337, 21700), (3550, 20398), (4340, 16685), (4402, 16450), (4700, 15407), (4970, 14570), (5425, 13348), (5828, 12425), (6580, 11005), (6674, 10850), (7100, 10199), (7285, 9940), (8225, 8804)]