409738160

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{179}}^1$

素因数の和:307

約数の個数: 160

約数和(自身を含む): 1079930880

約数和(自身を除く): 670192720

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 62, 65, 71, 80, 104, 124, 130, 142, 155, 179, 208, 248, 260, 284, 310, 355, 358, 403, 496, 520, 568, 620, 710, 716, 806, 895, 923, 1040, 1136, 1240, 1420, 1432, 1612, 1790, 1846, 2015, 2201, 2327, 2480, 2840, 2864, 3224, 3580, 3692, 4030, 4402, 4615, 4654, 5549, 5680, 6448, 7160, 7384, 8060, 8804, 9230, 9308, 11005, 11098, 11635, 12709, 14320, 14768, 16120, 17608, 18460, 18616, 22010, 22196, 23270, 25418, 27745, 28613, 32240, 35216, 36920, 37232, 44020, 44392, 46540, 50836, 55490, 57226, 63545, 72137, 73840, 88040, 88784, 93080, 101672, 110980, 114452, 127090, 143065, 144274, 165217, 176080, 186160, 203344, 221960, 228904, 254180, 286130, 288548, 330434, 360685, 393979, 443920, 457808, 508360, 572260, 577096, 660868, 721370, 787958, 826085, 1016720, 1144520, 1154192, 1321736, 1442740, 1575916, 1652170, 1969895, 2289040, 2643472, 2885480, 3151832, 3304340, 3939790, 5121727, 5770960, 6303664, 6608680, 7879580, 10243454, 13217360, 15759160, 20486908, 25608635, 31518320, 40973816, 51217270, 81947632, 102434540, 204869080, 409738160]

約数ペア:

[(1, 409738160), (2, 204869080), (4, 102434540), (5, 81947632), (8, 51217270), (10, 40973816), (13, 31518320), (16, 25608635), (20, 20486908), (26, 15759160), (31, 13217360), (40, 10243454), (52, 7879580), (62, 6608680), (65, 6303664), (71, 5770960), (80, 5121727), (104, 3939790), (124, 3304340), (130, 3151832), (142, 2885480), (155, 2643472), (179, 2289040), (208, 1969895), (248, 1652170), (260, 1575916), (284, 1442740), (310, 1321736), (355, 1154192), (358, 1144520), (403, 1016720), (496, 826085), (520, 787958), (568, 721370), (620, 660868), (710, 577096), (716, 572260), (806, 508360), (895, 457808), (923, 443920), (1040, 393979), (1136, 360685), (1240, 330434), (1420, 288548), (1432, 286130), (1612, 254180), (1790, 228904), (1846, 221960), (2015, 203344), (2201, 186160), (2327, 176080), (2480, 165217), (2840, 144274), (2864, 143065), (3224, 127090), (3580, 114452), (3692, 110980), (4030, 101672), (4402, 93080), (4615, 88784), (4654, 88040), (5549, 73840), (5680, 72137), (6448, 63545), (7160, 57226), (7384, 55490), (8060, 50836), (8804, 46540), (9230, 44392), (9308, 44020), (11005, 37232), (11098, 36920), (11635, 35216), (12709, 32240), (14320, 28613), (14768, 27745), (16120, 25418), (17608, 23270), (18460, 22196), (18616, 22010)]