155432800

素因数分解:

$2^5\times 5^2\times {\mathrm{97}}^1\times {\mathrm{2003}}^1$

素因数の和:2120

約数の個数: 72

約数和(自身を含む): 383553576

約数和(自身を除く): 228120776

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 97, 100, 160, 194, 200, 388, 400, 485, 776, 800, 970, 1552, 1940, 2003, 2425, 3104, 3880, 4006, 4850, 7760, 8012, 9700, 10015, 15520, 16024, 19400, 20030, 32048, 38800, 40060, 50075, 64096, 77600, 80120, 100150, 160240, 194291, 200300, 320480, 388582, 400600, 777164, 801200, 971455, 1554328, 1602400, 1942910, 3108656, 3885820, 4857275, 6217312, 7771640, 9714550, 15543280, 19429100, 31086560, 38858200, 77716400, 155432800]

約数ペア:

[(1, 155432800), (2, 77716400), (4, 38858200), (5, 31086560), (8, 19429100), (10, 15543280), (16, 9714550), (20, 7771640), (25, 6217312), (32, 4857275), (40, 3885820), (50, 3108656), (80, 1942910), (97, 1602400), (100, 1554328), (160, 971455), (194, 801200), (200, 777164), (388, 400600), (400, 388582), (485, 320480), (776, 200300), (800, 194291), (970, 160240), (1552, 100150), (1940, 80120), (2003, 77600), (2425, 64096), (3104, 50075), (3880, 40060), (4006, 38800), (4850, 32048), (7760, 20030), (8012, 19400), (9700, 16024), (10015, 15520)]