398781840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{35353}}^1$

素因数の和:35416

約数の個数: 80

約数和(自身を含む): 1262562048

約数和(自身を除く): 863780208

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 47, 48, 60, 80, 94, 120, 141, 188, 235, 240, 282, 376, 470, 564, 705, 752, 940, 1128, 1410, 1880, 2256, 2820, 3760, 5640, 11280, 35353, 70706, 106059, 141412, 176765, 212118, 282824, 353530, 424236, 530295, 565648, 707060, 848472, 1060590, 1414120, 1661591, 1696944, 2121180, 2828240, 3323182, 4242360, 4984773, 6646364, 8307955, 8484720, 9969546, 13292728, 16615910, 19939092, 24923865, 26585456, 33231820, 39878184, 49847730, 66463640, 79756368, 99695460, 132927280, 199390920, 398781840]

約数ペア:

[(1, 398781840), (2, 199390920), (3, 132927280), (4, 99695460), (5, 79756368), (6, 66463640), (8, 49847730), (10, 39878184), (12, 33231820), (15, 26585456), (16, 24923865), (20, 19939092), (24, 16615910), (30, 13292728), (40, 9969546), (47, 8484720), (48, 8307955), (60, 6646364), (80, 4984773), (94, 4242360), (120, 3323182), (141, 2828240), (188, 2121180), (235, 1696944), (240, 1661591), (282, 1414120), (376, 1060590), (470, 848472), (564, 707060), (705, 565648), (752, 530295), (940, 424236), (1128, 353530), (1410, 282824), (1880, 212118), (2256, 176765), (2820, 141412), (3760, 106059), (5640, 70706), (11280, 35353)]