204869080

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{179}}^1$

素因数の和:305

約数の個数: 128

約数和(自身を含む): 522547200

約数和(自身を除く): 317678120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 71, 104, 124, 130, 142, 155, 179, 248, 260, 284, 310, 355, 358, 403, 520, 568, 620, 710, 716, 806, 895, 923, 1240, 1420, 1432, 1612, 1790, 1846, 2015, 2201, 2327, 2840, 3224, 3580, 3692, 4030, 4402, 4615, 4654, 5549, 7160, 7384, 8060, 8804, 9230, 9308, 11005, 11098, 11635, 12709, 16120, 17608, 18460, 18616, 22010, 22196, 23270, 25418, 27745, 28613, 36920, 44020, 44392, 46540, 50836, 55490, 57226, 63545, 72137, 88040, 93080, 101672, 110980, 114452, 127090, 143065, 144274, 165217, 221960, 228904, 254180, 286130, 288548, 330434, 360685, 393979, 508360, 572260, 577096, 660868, 721370, 787958, 826085, 1144520, 1321736, 1442740, 1575916, 1652170, 1969895, 2885480, 3151832, 3304340, 3939790, 5121727, 6608680, 7879580, 10243454, 15759160, 20486908, 25608635, 40973816, 51217270, 102434540, 204869080]

約数ペア:

[(1, 204869080), (2, 102434540), (4, 51217270), (5, 40973816), (8, 25608635), (10, 20486908), (13, 15759160), (20, 10243454), (26, 7879580), (31, 6608680), (40, 5121727), (52, 3939790), (62, 3304340), (65, 3151832), (71, 2885480), (104, 1969895), (124, 1652170), (130, 1575916), (142, 1442740), (155, 1321736), (179, 1144520), (248, 826085), (260, 787958), (284, 721370), (310, 660868), (355, 577096), (358, 572260), (403, 508360), (520, 393979), (568, 360685), (620, 330434), (710, 288548), (716, 286130), (806, 254180), (895, 228904), (923, 221960), (1240, 165217), (1420, 144274), (1432, 143065), (1612, 127090), (1790, 114452), (1846, 110980), (2015, 101672), (2201, 93080), (2327, 88040), (2840, 72137), (3224, 63545), (3580, 57226), (3692, 55490), (4030, 50836), (4402, 46540), (4615, 44392), (4654, 44020), (5549, 36920), (7160, 28613), (7384, 27745), (8060, 25418), (8804, 23270), (9230, 22196), (9308, 22010), (11005, 18616), (11098, 18460), (11635, 17608), (12709, 16120)]