173824820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{271}}^1\times {\mathrm{2467}}^1$

素因数の和:2760

約数の個数: 48

約数和(自身を含む): 394722048

約数和(自身を除く): 220897228

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 271, 542, 1084, 1355, 2467, 2710, 3523, 4934, 5420, 7046, 9868, 12335, 14092, 17615, 24670, 32071, 35230, 49340, 64142, 70460, 128284, 160355, 320710, 641420, 668557, 1337114, 2674228, 3342785, 6685570, 8691241, 13371140, 17382482, 34764964, 43456205, 86912410, 173824820]

約数ペア:

[(1, 173824820), (2, 86912410), (4, 43456205), (5, 34764964), (10, 17382482), (13, 13371140), (20, 8691241), (26, 6685570), (52, 3342785), (65, 2674228), (130, 1337114), (260, 668557), (271, 641420), (542, 320710), (1084, 160355), (1355, 128284), (2467, 70460), (2710, 64142), (3523, 49340), (4934, 35230), (5420, 32071), (7046, 24670), (9868, 17615), (12335, 14092)]