389816320

素因数分解:

$2^{13}\times 5^1\times {\mathrm{31}}^1\times {\mathrm{307}}^1$

素因数の和:369

約数の個数: 112

約数和(自身を含む): 968825088

約数和(自身を除く): 579008768

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 307, 310, 320, 496, 512, 614, 620, 640, 992, 1024, 1228, 1240, 1280, 1535, 1984, 2048, 2456, 2480, 2560, 3070, 3968, 4096, 4912, 4960, 5120, 6140, 7936, 8192, 9517, 9824, 9920, 10240, 12280, 15872, 19034, 19648, 19840, 20480, 24560, 31744, 38068, 39296, 39680, 40960, 47585, 49120, 63488, 76136, 78592, 79360, 95170, 98240, 126976, 152272, 157184, 158720, 190340, 196480, 253952, 304544, 314368, 317440, 380680, 392960, 609088, 628736, 634880, 761360, 785920, 1218176, 1257472, 1269760, 1522720, 1571840, 2436352, 2514944, 3045440, 3143680, 4872704, 6090880, 6287360, 9745408, 12181760, 12574720, 19490816, 24363520, 38981632, 48727040, 77963264, 97454080, 194908160, 389816320]

約数ペア:

[(1, 389816320), (2, 194908160), (4, 97454080), (5, 77963264), (8, 48727040), (10, 38981632), (16, 24363520), (20, 19490816), (31, 12574720), (32, 12181760), (40, 9745408), (62, 6287360), (64, 6090880), (80, 4872704), (124, 3143680), (128, 3045440), (155, 2514944), (160, 2436352), (248, 1571840), (256, 1522720), (307, 1269760), (310, 1257472), (320, 1218176), (496, 785920), (512, 761360), (614, 634880), (620, 628736), (640, 609088), (992, 392960), (1024, 380680), (1228, 317440), (1240, 314368), (1280, 304544), (1535, 253952), (1984, 196480), (2048, 190340), (2456, 158720), (2480, 157184), (2560, 152272), (3070, 126976), (3968, 98240), (4096, 95170), (4912, 79360), (4960, 78592), (5120, 76136), (6140, 63488), (7936, 49120), (8192, 47585), (9517, 40960), (9824, 39680), (9920, 39296), (10240, 38068), (12280, 31744), (15872, 24560), (19034, 20480), (19648, 19840)]