317707970

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{389}}^1$

素因数の和:539

約数の個数: 64

約数和(自身を含む): 618658560

約数和(自身を除く): 300950590

約数列:

[1, 2, 5, 10, 23, 46, 53, 67, 106, 115, 134, 230, 265, 335, 389, 530, 670, 778, 1219, 1541, 1945, 2438, 3082, 3551, 3890, 6095, 7102, 7705, 8947, 12190, 15410, 17755, 17894, 20617, 26063, 35510, 41234, 44735, 52126, 81673, 89470, 103085, 130315, 163346, 206170, 260630, 408365, 474191, 599449, 816730, 948382, 1198898, 1381339, 2370955, 2762678, 2997245, 4741910, 5994490, 6906695, 13813390, 31770797, 63541594, 158853985, 317707970]

約数ペア:

[(1, 317707970), (2, 158853985), (5, 63541594), (10, 31770797), (23, 13813390), (46, 6906695), (53, 5994490), (67, 4741910), (106, 2997245), (115, 2762678), (134, 2370955), (230, 1381339), (265, 1198898), (335, 948382), (389, 816730), (530, 599449), (670, 474191), (778, 408365), (1219, 260630), (1541, 206170), (1945, 163346), (2438, 130315), (3082, 103085), (3551, 89470), (3890, 81673), (6095, 52126), (7102, 44735), (7705, 41234), (8947, 35510), (12190, 26063), (15410, 20617), (17755, 17894)]