199890790

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{73}}^2$

素因数の和:206

約数の個数: 72

約数和(自身を含む): 413913024

約数和(自身を除く): 214022234

約数列:

[1, 2, 5, 10, 11, 22, 31, 55, 62, 73, 110, 121, 146, 155, 242, 310, 341, 365, 605, 682, 730, 803, 1210, 1606, 1705, 2263, 3410, 3751, 4015, 4526, 5329, 7502, 8030, 8833, 10658, 11315, 17666, 18755, 22630, 24893, 26645, 37510, 44165, 49786, 53290, 58619, 88330, 117238, 124465, 165199, 248930, 273823, 293095, 330398, 547646, 586190, 644809, 825995, 1289618, 1369115, 1651990, 1817189, 2738230, 3224045, 3634378, 6448090, 9085945, 18171890, 19989079, 39978158, 99945395, 199890790]

約数ペア:

[(1, 199890790), (2, 99945395), (5, 39978158), (10, 19989079), (11, 18171890), (22, 9085945), (31, 6448090), (55, 3634378), (62, 3224045), (73, 2738230), (110, 1817189), (121, 1651990), (146, 1369115), (155, 1289618), (242, 825995), (310, 644809), (341, 586190), (365, 547646), (605, 330398), (682, 293095), (730, 273823), (803, 248930), (1210, 165199), (1606, 124465), (1705, 117238), (2263, 88330), (3410, 58619), (3751, 53290), (4015, 49786), (4526, 44165), (5329, 37510), (7502, 26645), (8030, 24893), (8833, 22630), (10658, 18755), (11315, 17666)]