64764700

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{647}}^1$

素因数の和:692

約数の個数: 144

約数和(自身を含む): 188987904

約数和(自身を除く): 124223204

約数列:

[1, 2, 4, 5, 7, 10, 11, 13, 14, 20, 22, 25, 26, 28, 35, 44, 50, 52, 55, 65, 70, 77, 91, 100, 110, 130, 140, 143, 154, 175, 182, 220, 260, 275, 286, 308, 325, 350, 364, 385, 455, 550, 572, 647, 650, 700, 715, 770, 910, 1001, 1100, 1294, 1300, 1430, 1540, 1820, 1925, 2002, 2275, 2588, 2860, 3235, 3575, 3850, 4004, 4529, 4550, 5005, 6470, 7117, 7150, 7700, 8411, 9058, 9100, 10010, 12940, 14234, 14300, 16175, 16822, 18116, 20020, 22645, 25025, 28468, 32350, 33644, 35585, 42055, 45290, 49819, 50050, 58877, 64700, 71170, 84110, 90580, 92521, 99638, 100100, 113225, 117754, 142340, 168220, 177925, 185042, 199276, 210275, 226450, 235508, 249095, 294385, 355850, 370084, 420550, 452900, 462605, 498190, 588770, 647647, 711700, 841100, 925210, 996380, 1177540, 1245475, 1295294, 1471925, 1850420, 2313025, 2490950, 2590588, 2943850, 3238235, 4626050, 4981900, 5887700, 6476470, 9252100, 12952940, 16191175, 32382350, 64764700]

約数ペア:

[(1, 64764700), (2, 32382350), (4, 16191175), (5, 12952940), (7, 9252100), (10, 6476470), (11, 5887700), (13, 4981900), (14, 4626050), (20, 3238235), (22, 2943850), (25, 2590588), (26, 2490950), (28, 2313025), (35, 1850420), (44, 1471925), (50, 1295294), (52, 1245475), (55, 1177540), (65, 996380), (70, 925210), (77, 841100), (91, 711700), (100, 647647), (110, 588770), (130, 498190), (140, 462605), (143, 452900), (154, 420550), (175, 370084), (182, 355850), (220, 294385), (260, 249095), (275, 235508), (286, 226450), (308, 210275), (325, 199276), (350, 185042), (364, 177925), (385, 168220), (455, 142340), (550, 117754), (572, 113225), (647, 100100), (650, 99638), (700, 92521), (715, 90580), (770, 84110), (910, 71170), (1001, 64700), (1100, 58877), (1294, 50050), (1300, 49819), (1430, 45290), (1540, 42055), (1820, 35585), (1925, 33644), (2002, 32350), (2275, 28468), (2588, 25025), (2860, 22645), (3235, 20020), (3575, 18116), (3850, 16822), (4004, 16175), (4529, 14300), (4550, 14234), (5005, 12940), (6470, 10010), (7117, 9100), (7150, 9058), (7700, 8411)]