30678340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{1811}}^1$

素因数の和:1849

約数の個数: 72

約数和(自身を含む): 80974656

約数和(自身を除く): 50296316

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 121, 140, 154, 220, 242, 308, 385, 484, 605, 770, 847, 1210, 1540, 1694, 1811, 2420, 3388, 3622, 4235, 7244, 8470, 9055, 12677, 16940, 18110, 19921, 25354, 36220, 39842, 50708, 63385, 79684, 99605, 126770, 139447, 199210, 219131, 253540, 278894, 398420, 438262, 557788, 697235, 876524, 1095655, 1394470, 1533917, 2191310, 2788940, 3067834, 4382620, 6135668, 7669585, 15339170, 30678340]

約数ペア:

[(1, 30678340), (2, 15339170), (4, 7669585), (5, 6135668), (7, 4382620), (10, 3067834), (11, 2788940), (14, 2191310), (20, 1533917), (22, 1394470), (28, 1095655), (35, 876524), (44, 697235), (55, 557788), (70, 438262), (77, 398420), (110, 278894), (121, 253540), (140, 219131), (154, 199210), (220, 139447), (242, 126770), (308, 99605), (385, 79684), (484, 63385), (605, 50708), (770, 39842), (847, 36220), (1210, 25354), (1540, 19921), (1694, 18110), (1811, 16940), (2420, 12677), (3388, 9055), (3622, 8470), (4235, 7244)]