198991520

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{173}}^1$

素因数の和:287

約数の個数: 192

約数和(自身を含む): 589317120

約数和(自身を除く): 390325600

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 65, 70, 79, 80, 91, 104, 112, 130, 140, 158, 160, 173, 182, 208, 224, 260, 280, 316, 346, 364, 395, 416, 455, 520, 553, 560, 632, 692, 728, 790, 865, 910, 1027, 1040, 1106, 1120, 1211, 1264, 1384, 1456, 1580, 1730, 1820, 2054, 2080, 2212, 2249, 2422, 2528, 2765, 2768, 2912, 3160, 3460, 3640, 4108, 4424, 4498, 4844, 5135, 5530, 5536, 6055, 6320, 6920, 7189, 7280, 8216, 8848, 8996, 9688, 10270, 11060, 11245, 12110, 12640, 13667, 13840, 14378, 14560, 15743, 16432, 17696, 17992, 19376, 20540, 22120, 22490, 24220, 27334, 27680, 28756, 31486, 32864, 35945, 35984, 38752, 41080, 44240, 44980, 48440, 54668, 57512, 62972, 68335, 71890, 71968, 78715, 82160, 88480, 89960, 95669, 96880, 109336, 115024, 125944, 136670, 143780, 157430, 164320, 177671, 179920, 191338, 193760, 218672, 230048, 251888, 273340, 287560, 314860, 355342, 359840, 382676, 437344, 478345, 503776, 546680, 575120, 629720, 710684, 765352, 888355, 956690, 1093360, 1150240, 1243697, 1259440, 1421368, 1530704, 1776710, 1913380, 2186720, 2487394, 2518880, 2842736, 3061408, 3553420, 3826760, 4974788, 5685472, 6218485, 7106840, 7653520, 9949576, 12436970, 14213680, 15307040, 19899152, 24873940, 28427360, 39798304, 49747880, 99495760, 198991520]

約数ペア:

[(1, 198991520), (2, 99495760), (4, 49747880), (5, 39798304), (7, 28427360), (8, 24873940), (10, 19899152), (13, 15307040), (14, 14213680), (16, 12436970), (20, 9949576), (26, 7653520), (28, 7106840), (32, 6218485), (35, 5685472), (40, 4974788), (52, 3826760), (56, 3553420), (65, 3061408), (70, 2842736), (79, 2518880), (80, 2487394), (91, 2186720), (104, 1913380), (112, 1776710), (130, 1530704), (140, 1421368), (158, 1259440), (160, 1243697), (173, 1150240), (182, 1093360), (208, 956690), (224, 888355), (260, 765352), (280, 710684), (316, 629720), (346, 575120), (364, 546680), (395, 503776), (416, 478345), (455, 437344), (520, 382676), (553, 359840), (560, 355342), (632, 314860), (692, 287560), (728, 273340), (790, 251888), (865, 230048), (910, 218672), (1027, 193760), (1040, 191338), (1106, 179920), (1120, 177671), (1211, 164320), (1264, 157430), (1384, 143780), (1456, 136670), (1580, 125944), (1730, 115024), (1820, 109336), (2054, 96880), (2080, 95669), (2212, 89960), (2249, 88480), (2422, 82160), (2528, 78715), (2765, 71968), (2768, 71890), (2912, 68335), (3160, 62972), (3460, 57512), (3640, 54668), (4108, 48440), (4424, 44980), (4498, 44240), (4844, 41080), (5135, 38752), (5530, 35984), (5536, 35945), (6055, 32864), (6320, 31486), (6920, 28756), (7189, 27680), (7280, 27334), (8216, 24220), (8848, 22490), (8996, 22120), (9688, 20540), (10270, 19376), (11060, 17992), (11245, 17696), (12110, 16432), (12640, 15743), (13667, 14560), (13840, 14378)]