208178480

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{829}}^1$

素因数の和:958

約数の個数: 80

約数和(自身を含む): 502661280

約数和(自身を除く): 294482800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 73, 80, 86, 146, 172, 215, 292, 344, 365, 430, 584, 688, 730, 829, 860, 1168, 1460, 1658, 1720, 2920, 3139, 3316, 3440, 4145, 5840, 6278, 6632, 8290, 12556, 13264, 15695, 16580, 25112, 31390, 33160, 35647, 50224, 60517, 62780, 66320, 71294, 121034, 125560, 142588, 178235, 242068, 251120, 285176, 302585, 356470, 484136, 570352, 605170, 712940, 968272, 1210340, 1425880, 2420680, 2602231, 2851760, 4841360, 5204462, 10408924, 13011155, 20817848, 26022310, 41635696, 52044620, 104089240, 208178480]

約数ペア:

[(1, 208178480), (2, 104089240), (4, 52044620), (5, 41635696), (8, 26022310), (10, 20817848), (16, 13011155), (20, 10408924), (40, 5204462), (43, 4841360), (73, 2851760), (80, 2602231), (86, 2420680), (146, 1425880), (172, 1210340), (215, 968272), (292, 712940), (344, 605170), (365, 570352), (430, 484136), (584, 356470), (688, 302585), (730, 285176), (829, 251120), (860, 242068), (1168, 178235), (1460, 142588), (1658, 125560), (1720, 121034), (2920, 71294), (3139, 66320), (3316, 62780), (3440, 60517), (4145, 50224), (5840, 35647), (6278, 33160), (6632, 31390), (8290, 25112), (12556, 16580), (13264, 15695)]