77681100

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{521}}^1$

素因数の和:616

約数の個数: 144

約数和(自身を含む): 260983296

約数和(自身を除く): 183302196

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 71, 75, 84, 100, 105, 140, 142, 150, 175, 210, 213, 284, 300, 350, 355, 420, 426, 497, 521, 525, 700, 710, 852, 994, 1042, 1050, 1065, 1420, 1491, 1563, 1775, 1988, 2084, 2100, 2130, 2485, 2605, 2982, 3126, 3550, 3647, 4260, 4970, 5210, 5325, 5964, 6252, 7100, 7294, 7455, 7815, 9940, 10420, 10650, 10941, 12425, 13025, 14588, 14910, 15630, 18235, 21300, 21882, 24850, 26050, 29820, 31260, 36470, 36991, 37275, 39075, 43764, 49700, 52100, 54705, 72940, 73982, 74550, 78150, 91175, 109410, 110973, 147964, 149100, 156300, 182350, 184955, 218820, 221946, 258937, 273525, 364700, 369910, 443892, 517874, 547050, 554865, 739820, 776811, 924775, 1035748, 1094100, 1109730, 1294685, 1553622, 1849550, 2219460, 2589370, 2774325, 3107244, 3699100, 3884055, 5178740, 5548650, 6473425, 7768110, 11097300, 12946850, 15536220, 19420275, 25893700, 38840550, 77681100]

約数ペア:

[(1, 77681100), (2, 38840550), (3, 25893700), (4, 19420275), (5, 15536220), (6, 12946850), (7, 11097300), (10, 7768110), (12, 6473425), (14, 5548650), (15, 5178740), (20, 3884055), (21, 3699100), (25, 3107244), (28, 2774325), (30, 2589370), (35, 2219460), (42, 1849550), (50, 1553622), (60, 1294685), (70, 1109730), (71, 1094100), (75, 1035748), (84, 924775), (100, 776811), (105, 739820), (140, 554865), (142, 547050), (150, 517874), (175, 443892), (210, 369910), (213, 364700), (284, 273525), (300, 258937), (350, 221946), (355, 218820), (420, 184955), (426, 182350), (497, 156300), (521, 149100), (525, 147964), (700, 110973), (710, 109410), (852, 91175), (994, 78150), (1042, 74550), (1050, 73982), (1065, 72940), (1420, 54705), (1491, 52100), (1563, 49700), (1775, 43764), (1988, 39075), (2084, 37275), (2100, 36991), (2130, 36470), (2485, 31260), (2605, 29820), (2982, 26050), (3126, 24850), (3550, 21882), (3647, 21300), (4260, 18235), (4970, 15630), (5210, 14910), (5325, 14588), (5964, 13025), (6252, 12425), (7100, 10941), (7294, 10650), (7455, 10420), (7815, 9940)]