278159440

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{15733}}^1$

素因数の和:15776

約数の個数: 80

約数和(自身を含む): 737484048

約数和(自身を除く): 459324608

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 34, 40, 52, 65, 68, 80, 85, 104, 130, 136, 170, 208, 221, 260, 272, 340, 442, 520, 680, 884, 1040, 1105, 1360, 1768, 2210, 3536, 4420, 8840, 15733, 17680, 31466, 62932, 78665, 125864, 157330, 204529, 251728, 267461, 314660, 409058, 534922, 629320, 818116, 1022645, 1069844, 1258640, 1337305, 1636232, 2045290, 2139688, 2674610, 3272464, 3476993, 4090580, 4279376, 5349220, 6953986, 8181160, 10698440, 13907972, 16362320, 17384965, 21396880, 27815944, 34769930, 55631888, 69539860, 139079720, 278159440]

約数ペア:

[(1, 278159440), (2, 139079720), (4, 69539860), (5, 55631888), (8, 34769930), (10, 27815944), (13, 21396880), (16, 17384965), (17, 16362320), (20, 13907972), (26, 10698440), (34, 8181160), (40, 6953986), (52, 5349220), (65, 4279376), (68, 4090580), (80, 3476993), (85, 3272464), (104, 2674610), (130, 2139688), (136, 2045290), (170, 1636232), (208, 1337305), (221, 1258640), (260, 1069844), (272, 1022645), (340, 818116), (442, 629320), (520, 534922), (680, 409058), (884, 314660), (1040, 267461), (1105, 251728), (1360, 204529), (1768, 157330), (2210, 125864), (3536, 78665), (4420, 62932), (8840, 31466), (15733, 17680)]