208084420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1$

素因数の和:293

約数の個数: 96

約数和(自身を含む): 479969280

約数和(自身を除く): 271884860

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 61, 68, 79, 85, 122, 127, 158, 170, 244, 254, 305, 316, 340, 395, 508, 610, 635, 790, 1037, 1220, 1270, 1343, 1580, 2074, 2159, 2540, 2686, 4148, 4318, 4819, 5185, 5372, 6715, 7747, 8636, 9638, 10033, 10370, 10795, 13430, 15494, 19276, 20066, 20740, 21590, 24095, 26860, 30988, 38735, 40132, 43180, 48190, 50165, 77470, 81923, 96380, 100330, 131699, 154940, 163846, 170561, 200660, 263398, 327692, 341122, 409615, 526796, 612013, 658495, 682244, 819230, 852805, 1224026, 1316990, 1638460, 1705610, 2448052, 2633980, 3060065, 3411220, 6120130, 10404221, 12240260, 20808442, 41616884, 52021105, 104042210, 208084420]

約数ペア:

[(1, 208084420), (2, 104042210), (4, 52021105), (5, 41616884), (10, 20808442), (17, 12240260), (20, 10404221), (34, 6120130), (61, 3411220), (68, 3060065), (79, 2633980), (85, 2448052), (122, 1705610), (127, 1638460), (158, 1316990), (170, 1224026), (244, 852805), (254, 819230), (305, 682244), (316, 658495), (340, 612013), (395, 526796), (508, 409615), (610, 341122), (635, 327692), (790, 263398), (1037, 200660), (1220, 170561), (1270, 163846), (1343, 154940), (1580, 131699), (2074, 100330), (2159, 96380), (2540, 81923), (2686, 77470), (4148, 50165), (4318, 48190), (4819, 43180), (5185, 40132), (5372, 38735), (6715, 30988), (7747, 26860), (8636, 24095), (9638, 21590), (10033, 20740), (10370, 20066), (10795, 19276), (13430, 15494)]