279919300

素因数分解:

$2^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{1019}}^1$

素因数の和:1141

約数の個数: 72

約数和(自身を含む): 632147040

約数和(自身を除く): 352227740

約数列:

[1, 2, 4, 5, 10, 20, 25, 41, 50, 67, 82, 100, 134, 164, 205, 268, 335, 410, 670, 820, 1019, 1025, 1340, 1675, 2038, 2050, 2747, 3350, 4076, 4100, 5095, 5494, 6700, 10190, 10988, 13735, 20380, 25475, 27470, 41779, 50950, 54940, 68273, 68675, 83558, 101900, 136546, 137350, 167116, 208895, 273092, 274700, 341365, 417790, 682730, 835580, 1044475, 1365460, 1706825, 2088950, 2799193, 3413650, 4177900, 5598386, 6827300, 11196772, 13995965, 27991930, 55983860, 69979825, 139959650, 279919300]

約数ペア:

[(1, 279919300), (2, 139959650), (4, 69979825), (5, 55983860), (10, 27991930), (20, 13995965), (25, 11196772), (41, 6827300), (50, 5598386), (67, 4177900), (82, 3413650), (100, 2799193), (134, 2088950), (164, 1706825), (205, 1365460), (268, 1044475), (335, 835580), (410, 682730), (670, 417790), (820, 341365), (1019, 274700), (1025, 273092), (1340, 208895), (1675, 167116), (2038, 137350), (2050, 136546), (2747, 101900), (3350, 83558), (4076, 68675), (4100, 68273), (5095, 54940), (5494, 50950), (6700, 41779), (10190, 27470), (10988, 25475), (13735, 20380)]