238471740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{457}}^1$

素因数の和:708

約数の個数: 144

約数和(自身を含む): 784213248

約数和(自身を除く): 545741508

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 223, 234, 260, 390, 446, 457, 468, 585, 669, 780, 892, 914, 1115, 1170, 1338, 1371, 1828, 2007, 2230, 2285, 2340, 2676, 2742, 2899, 3345, 4014, 4113, 4460, 4570, 5484, 5798, 5941, 6690, 6855, 8028, 8226, 8697, 9140, 10035, 11596, 11882, 13380, 13710, 14495, 16452, 17394, 17823, 20070, 20565, 23764, 26091, 27420, 28990, 29705, 34788, 35646, 40140, 41130, 43485, 52182, 53469, 57980, 59410, 71292, 82260, 86970, 89115, 101911, 104364, 106938, 118820, 130455, 173940, 178230, 203822, 213876, 260910, 267345, 305733, 356460, 407644, 509555, 521820, 534690, 611466, 917199, 1019110, 1069380, 1222932, 1324843, 1528665, 1834398, 2038220, 2649686, 3057330, 3668796, 3974529, 4585995, 5299372, 6114660, 6624215, 7949058, 9171990, 11923587, 13248430, 15898116, 18343980, 19872645, 23847174, 26496860, 39745290, 47694348, 59617935, 79490580, 119235870, 238471740]

約数ペア:

[(1, 238471740), (2, 119235870), (3, 79490580), (4, 59617935), (5, 47694348), (6, 39745290), (9, 26496860), (10, 23847174), (12, 19872645), (13, 18343980), (15, 15898116), (18, 13248430), (20, 11923587), (26, 9171990), (30, 7949058), (36, 6624215), (39, 6114660), (45, 5299372), (52, 4585995), (60, 3974529), (65, 3668796), (78, 3057330), (90, 2649686), (117, 2038220), (130, 1834398), (156, 1528665), (180, 1324843), (195, 1222932), (223, 1069380), (234, 1019110), (260, 917199), (390, 611466), (446, 534690), (457, 521820), (468, 509555), (585, 407644), (669, 356460), (780, 305733), (892, 267345), (914, 260910), (1115, 213876), (1170, 203822), (1338, 178230), (1371, 173940), (1828, 130455), (2007, 118820), (2230, 106938), (2285, 104364), (2340, 101911), (2676, 89115), (2742, 86970), (2899, 82260), (3345, 71292), (4014, 59410), (4113, 57980), (4460, 53469), (4570, 52182), (5484, 43485), (5798, 41130), (5941, 40140), (6690, 35646), (6855, 34788), (8028, 29705), (8226, 28990), (8697, 27420), (9140, 26091), (10035, 23764), (11596, 20565), (11882, 20070), (13380, 17823), (13710, 17394), (14495, 16452)]