387418880

素因数分解:

$2^8\times 5^1\times {\mathrm{313}}^1\times {\mathrm{967}}^1$

素因数の和:1301

約数の個数: 72

約数和(自身を含む): 931916832

約数和(自身を除く): 544497952

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 313, 320, 626, 640, 967, 1252, 1280, 1565, 1934, 2504, 3130, 3868, 4835, 5008, 6260, 7736, 9670, 10016, 12520, 15472, 19340, 20032, 25040, 30944, 38680, 40064, 50080, 61888, 77360, 80128, 100160, 123776, 154720, 200320, 247552, 302671, 309440, 400640, 605342, 618880, 1210684, 1237760, 1513355, 2421368, 3026710, 4842736, 6053420, 9685472, 12106840, 19370944, 24213680, 38741888, 48427360, 77483776, 96854720, 193709440, 387418880]

約数ペア:

[(1, 387418880), (2, 193709440), (4, 96854720), (5, 77483776), (8, 48427360), (10, 38741888), (16, 24213680), (20, 19370944), (32, 12106840), (40, 9685472), (64, 6053420), (80, 4842736), (128, 3026710), (160, 2421368), (256, 1513355), (313, 1237760), (320, 1210684), (626, 618880), (640, 605342), (967, 400640), (1252, 309440), (1280, 302671), (1565, 247552), (1934, 200320), (2504, 154720), (3130, 123776), (3868, 100160), (4835, 80128), (5008, 77360), (6260, 61888), (7736, 50080), (9670, 40064), (10016, 38680), (12520, 30944), (15472, 25040), (19340, 20032)]