391505920

素因数分解:

$2^{11}\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{173}}^1$

素因数の和:230

約数の個数: 192

約数和(自身を含む): 1077345360

約数和(自身を除く): 685839440

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 32, 34, 40, 52, 64, 65, 68, 80, 85, 104, 128, 130, 136, 160, 170, 173, 208, 221, 256, 260, 272, 320, 340, 346, 416, 442, 512, 520, 544, 640, 680, 692, 832, 865, 884, 1024, 1040, 1088, 1105, 1280, 1360, 1384, 1664, 1730, 1768, 2048, 2080, 2176, 2210, 2249, 2560, 2720, 2768, 2941, 3328, 3460, 3536, 4160, 4352, 4420, 4498, 5120, 5440, 5536, 5882, 6656, 6920, 7072, 8320, 8704, 8840, 8996, 10240, 10880, 11072, 11245, 11764, 13312, 13840, 14144, 14705, 16640, 17408, 17680, 17992, 21760, 22144, 22490, 23528, 26624, 27680, 28288, 29410, 33280, 34816, 35360, 35984, 38233, 43520, 44288, 44980, 47056, 55360, 56576, 58820, 66560, 70720, 71968, 76466, 87040, 88576, 89960, 94112, 110720, 113152, 117640, 133120, 141440, 143936, 152932, 174080, 177152, 179920, 188224, 191165, 221440, 226304, 235280, 282880, 287872, 305864, 354304, 359840, 376448, 382330, 442880, 452608, 470560, 565760, 575744, 611728, 719680, 752896, 764660, 885760, 941120, 1131520, 1151488, 1223456, 1439360, 1505792, 1529320, 1771520, 1882240, 2263040, 2302976, 2446912, 2878720, 3011584, 3058640, 3764480, 4605952, 4893824, 5757440, 6023168, 6117280, 7528960, 9787648, 11514880, 12234560, 15057920, 19575296, 23029760, 24469120, 30115840, 39150592, 48938240, 78301184, 97876480, 195752960, 391505920]

約数ペア:

[(1, 391505920), (2, 195752960), (4, 97876480), (5, 78301184), (8, 48938240), (10, 39150592), (13, 30115840), (16, 24469120), (17, 23029760), (20, 19575296), (26, 15057920), (32, 12234560), (34, 11514880), (40, 9787648), (52, 7528960), (64, 6117280), (65, 6023168), (68, 5757440), (80, 4893824), (85, 4605952), (104, 3764480), (128, 3058640), (130, 3011584), (136, 2878720), (160, 2446912), (170, 2302976), (173, 2263040), (208, 1882240), (221, 1771520), (256, 1529320), (260, 1505792), (272, 1439360), (320, 1223456), (340, 1151488), (346, 1131520), (416, 941120), (442, 885760), (512, 764660), (520, 752896), (544, 719680), (640, 611728), (680, 575744), (692, 565760), (832, 470560), (865, 452608), (884, 442880), (1024, 382330), (1040, 376448), (1088, 359840), (1105, 354304), (1280, 305864), (1360, 287872), (1384, 282880), (1664, 235280), (1730, 226304), (1768, 221440), (2048, 191165), (2080, 188224), (2176, 179920), (2210, 177152), (2249, 174080), (2560, 152932), (2720, 143936), (2768, 141440), (2941, 133120), (3328, 117640), (3460, 113152), (3536, 110720), (4160, 94112), (4352, 89960), (4420, 88576), (4498, 87040), (5120, 76466), (5440, 71968), (5536, 70720), (5882, 66560), (6656, 58820), (6920, 56576), (7072, 55360), (8320, 47056), (8704, 44980), (8840, 44288), (8996, 43520), (10240, 38233), (10880, 35984), (11072, 35360), (11245, 34816), (11764, 33280), (13312, 29410), (13840, 28288), (14144, 27680), (14705, 26624), (16640, 23528), (17408, 22490), (17680, 22144), (17992, 21760)]