39928980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1$

素因数の和:206

約数の個数: 192

約数和(自身を含む): 140894208

約数和(自身を除く): 100965228

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 52, 60, 65, 70, 71, 78, 84, 91, 103, 105, 130, 140, 142, 156, 182, 195, 206, 210, 213, 260, 273, 284, 309, 355, 364, 390, 412, 420, 426, 455, 497, 515, 546, 618, 710, 721, 780, 852, 910, 923, 994, 1030, 1065, 1092, 1236, 1339, 1365, 1420, 1442, 1491, 1545, 1820, 1846, 1988, 2060, 2130, 2163, 2485, 2678, 2730, 2769, 2884, 2982, 3090, 3605, 3692, 4017, 4260, 4326, 4615, 4970, 5356, 5460, 5538, 5964, 6180, 6461, 6695, 7210, 7313, 7455, 8034, 8652, 9230, 9373, 9940, 10815, 11076, 12922, 13390, 13845, 14420, 14626, 14910, 16068, 18460, 18746, 19383, 20085, 21630, 21939, 25844, 26780, 27690, 28119, 29252, 29820, 32305, 36565, 37492, 38766, 40170, 43260, 43878, 46865, 51191, 55380, 56238, 64610, 73130, 77532, 80340, 87756, 93730, 95069, 96915, 102382, 109695, 112476, 129220, 140595, 146260, 153573, 187460, 190138, 193830, 204764, 219390, 255955, 281190, 285207, 307146, 380276, 387660, 438780, 475345, 511910, 562380, 570414, 614292, 665483, 767865, 950690, 1023820, 1140828, 1330966, 1426035, 1535730, 1901380, 1996449, 2661932, 2852070, 3071460, 3327415, 3992898, 5704140, 6654830, 7985796, 9982245, 13309660, 19964490, 39928980]

約数ペア:

[(1, 39928980), (2, 19964490), (3, 13309660), (4, 9982245), (5, 7985796), (6, 6654830), (7, 5704140), (10, 3992898), (12, 3327415), (13, 3071460), (14, 2852070), (15, 2661932), (20, 1996449), (21, 1901380), (26, 1535730), (28, 1426035), (30, 1330966), (35, 1140828), (39, 1023820), (42, 950690), (52, 767865), (60, 665483), (65, 614292), (70, 570414), (71, 562380), (78, 511910), (84, 475345), (91, 438780), (103, 387660), (105, 380276), (130, 307146), (140, 285207), (142, 281190), (156, 255955), (182, 219390), (195, 204764), (206, 193830), (210, 190138), (213, 187460), (260, 153573), (273, 146260), (284, 140595), (309, 129220), (355, 112476), (364, 109695), (390, 102382), (412, 96915), (420, 95069), (426, 93730), (455, 87756), (497, 80340), (515, 77532), (546, 73130), (618, 64610), (710, 56238), (721, 55380), (780, 51191), (852, 46865), (910, 43878), (923, 43260), (994, 40170), (1030, 38766), (1065, 37492), (1092, 36565), (1236, 32305), (1339, 29820), (1365, 29252), (1420, 28119), (1442, 27690), (1491, 26780), (1545, 25844), (1820, 21939), (1846, 21630), (1988, 20085), (2060, 19383), (2130, 18746), (2163, 18460), (2485, 16068), (2678, 14910), (2730, 14626), (2769, 14420), (2884, 13845), (2982, 13390), (3090, 12922), (3605, 11076), (3692, 10815), (4017, 9940), (4260, 9373), (4326, 9230), (4615, 8652), (4970, 8034), (5356, 7455), (5460, 7313), (5538, 7210), (5964, 6695), (6180, 6461)]