349521280

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{223}}^1$

素因数の和:352

約数の個数: 128

約数和(自身を含む): 877363200

約数和(自身を除く): 527841920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 79, 80, 124, 128, 155, 158, 160, 223, 248, 310, 316, 320, 395, 446, 496, 620, 632, 640, 790, 892, 992, 1115, 1240, 1264, 1580, 1784, 1984, 2230, 2449, 2480, 2528, 3160, 3568, 3968, 4460, 4898, 4960, 5056, 6320, 6913, 7136, 8920, 9796, 9920, 10112, 12245, 12640, 13826, 14272, 17617, 17840, 19592, 19840, 24490, 25280, 27652, 28544, 34565, 35234, 35680, 39184, 48980, 50560, 55304, 69130, 70468, 71360, 78368, 88085, 97960, 110608, 138260, 140936, 142720, 156736, 176170, 195920, 221216, 276520, 281872, 313472, 352340, 391840, 442432, 546127, 553040, 563744, 704680, 783680, 884864, 1092254, 1106080, 1127488, 1409360, 1567360, 2184508, 2212160, 2254976, 2730635, 2818720, 4369016, 4424320, 5461270, 5637440, 8738032, 10922540, 11274880, 17476064, 21845080, 34952128, 43690160, 69904256, 87380320, 174760640, 349521280]

約数ペア:

[(1, 349521280), (2, 174760640), (4, 87380320), (5, 69904256), (8, 43690160), (10, 34952128), (16, 21845080), (20, 17476064), (31, 11274880), (32, 10922540), (40, 8738032), (62, 5637440), (64, 5461270), (79, 4424320), (80, 4369016), (124, 2818720), (128, 2730635), (155, 2254976), (158, 2212160), (160, 2184508), (223, 1567360), (248, 1409360), (310, 1127488), (316, 1106080), (320, 1092254), (395, 884864), (446, 783680), (496, 704680), (620, 563744), (632, 553040), (640, 546127), (790, 442432), (892, 391840), (992, 352340), (1115, 313472), (1240, 281872), (1264, 276520), (1580, 221216), (1784, 195920), (1984, 176170), (2230, 156736), (2449, 142720), (2480, 140936), (2528, 138260), (3160, 110608), (3568, 97960), (3968, 88085), (4460, 78368), (4898, 71360), (4960, 70468), (5056, 69130), (6320, 55304), (6913, 50560), (7136, 48980), (8920, 39184), (9796, 35680), (9920, 35234), (10112, 34565), (12245, 28544), (12640, 27652), (13826, 25280), (14272, 24490), (17617, 19840), (17840, 19592)]