291545940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{257}}^1$

素因数の和:386

約数の個数: 192

約数和(自身を含む): 975066624

約数和(自身を除く): 683520684

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 37, 42, 60, 70, 73, 74, 84, 105, 111, 140, 146, 148, 185, 210, 219, 222, 257, 259, 292, 365, 370, 420, 438, 444, 511, 514, 518, 555, 730, 740, 771, 777, 876, 1022, 1028, 1036, 1095, 1110, 1285, 1295, 1460, 1533, 1542, 1554, 1799, 2044, 2190, 2220, 2555, 2570, 2590, 2701, 3066, 3084, 3108, 3598, 3855, 3885, 4380, 5110, 5140, 5180, 5397, 5402, 6132, 7196, 7665, 7710, 7770, 8103, 8995, 9509, 10220, 10794, 10804, 13505, 15330, 15420, 15540, 16206, 17990, 18761, 18907, 19018, 21588, 26985, 27010, 28527, 30660, 32412, 35980, 37522, 37814, 38036, 40515, 47545, 53970, 54020, 56283, 56721, 57054, 66563, 75044, 75628, 81030, 93805, 94535, 95090, 107940, 112566, 113442, 114108, 131327, 133126, 142635, 162060, 187610, 189070, 190180, 199689, 225132, 226884, 262654, 266252, 281415, 283605, 285270, 332815, 375220, 378140, 393981, 399378, 525308, 562830, 567210, 570540, 656635, 665630, 694157, 787962, 798756, 998445, 1125660, 1134420, 1313270, 1331260, 1388314, 1575924, 1969905, 1996890, 2082471, 2626540, 2776628, 3470785, 3939810, 3993780, 4164942, 4859099, 6941570, 7879620, 8329884, 9718198, 10412355, 13883140, 14577297, 19436396, 20824710, 24295495, 29154594, 41649420, 48590990, 58309188, 72886485, 97181980, 145772970, 291545940]

約数ペア:

[(1, 291545940), (2, 145772970), (3, 97181980), (4, 72886485), (5, 58309188), (6, 48590990), (7, 41649420), (10, 29154594), (12, 24295495), (14, 20824710), (15, 19436396), (20, 14577297), (21, 13883140), (28, 10412355), (30, 9718198), (35, 8329884), (37, 7879620), (42, 6941570), (60, 4859099), (70, 4164942), (73, 3993780), (74, 3939810), (84, 3470785), (105, 2776628), (111, 2626540), (140, 2082471), (146, 1996890), (148, 1969905), (185, 1575924), (210, 1388314), (219, 1331260), (222, 1313270), (257, 1134420), (259, 1125660), (292, 998445), (365, 798756), (370, 787962), (420, 694157), (438, 665630), (444, 656635), (511, 570540), (514, 567210), (518, 562830), (555, 525308), (730, 399378), (740, 393981), (771, 378140), (777, 375220), (876, 332815), (1022, 285270), (1028, 283605), (1036, 281415), (1095, 266252), (1110, 262654), (1285, 226884), (1295, 225132), (1460, 199689), (1533, 190180), (1542, 189070), (1554, 187610), (1799, 162060), (2044, 142635), (2190, 133126), (2220, 131327), (2555, 114108), (2570, 113442), (2590, 112566), (2701, 107940), (3066, 95090), (3084, 94535), (3108, 93805), (3598, 81030), (3855, 75628), (3885, 75044), (4380, 66563), (5110, 57054), (5140, 56721), (5180, 56283), (5397, 54020), (5402, 53970), (6132, 47545), (7196, 40515), (7665, 38036), (7710, 37814), (7770, 37522), (8103, 35980), (8995, 32412), (9509, 30660), (10220, 28527), (10794, 27010), (10804, 26985), (13505, 21588), (15330, 19018), (15420, 18907), (15540, 18761), (16206, 17990)]